Electronic component

Abstract

An electronic component (1) according to the present disclosure is provided with an element body (2) and a plurality of inductors arranged in the element body (2), the plurality of inductors including an inductor section (11), an inductor section (12), and an inductor section (30), each of the inductor section (11), the inductor section (12), and the inductor section (30) having two conductors extending in one direction, and a connection conductor connecting one end of each of the two conductors in one direction, when viewed from one direction, the axial directions of the inductor section (11), the inductor section (12), and the inductor section (30) do not overlap each other and are parallel to each other.

Description

Technical Field

[0001] The present disclosure relates to electronic components. Background Art

[0002] Patent document 1 (Japanese Patent Application Publication No. 2016-508356) discloses an electronic component (duplexer), which includes: a substrate having a plurality of substrate through holes; a first plurality of traces on a first surface of the substrate and coupled to the plurality of substrate through holes; a second plurality of traces (i.e., a second plurality of traces in which the plurality of substrate through holes and the traces act as 3D inductors) on a second surface of the substrate on the opposite side of the first surface and coupled to both ends of the plurality of substrate through holes; and a capacitor supported by the substrate. Summary of the invention

[0003] An object of one embodiment of the present disclosure is to provide an electronic component that can effectively utilize a space in a body and obtain desired characteristics.

[0004] (1) One embodiment of the present disclosure provides an electronic component comprising an element body and a plurality of inductors arranged in the element body, wherein the plurality of inductors include a first inductor, a second inductor, and a third inductor, wherein the first inductor, the second inductor, and the third inductor each have: two conductors extending in one direction; and a connecting conductor connecting one end of each of the two conductors in one direction, wherein when viewed from one direction, the axial directions of the first inductor, the second inductor, and the third inductor do not overlap with each other and are parallel.

[0005] In an electronic component of one embodiment of the present invention, when viewed from one direction, the axial directions of the first inductor, the second inductor, and the third inductor do not overlap with each other and are parallel. In this way, in the electronic component, by arranging a plurality of inductors in a body with their axes staggered, the inductors can be efficiently arranged. Therefore, in the electronic component, the space in the body can be effectively utilized (the space efficiency in the body can be improved). In addition, in the electronic component, the plurality of inductors include at least the first inductor, the second inductor, and the third inductor. In this structure, when viewed from one direction, the axial directions of the respective inductors do not overlap with each other and are parallel, thereby making it possible to adjust the inductance of the inductors. Therefore, in the electronic component, the desired characteristics can be obtained.

[0006] (2) In the electronic component of (1), the direction of the magnetic field generated in each of the first inductor and the second inductor may be opposite to the direction of the magnetic field generated in the third inductor. In this structure, the element including the first inductor and the second inductor and the element including the third inductor can suppress the influence on the characteristics of each other.

[0007] (3) In the electronic component of (1) or (2), the first opening may be formed by two conductors and a connecting conductor in the first inductor; the second opening may be formed by two conductors and a connecting conductor in the second inductor; the third opening may be formed by two conductors and a connecting conductor in the third inductor; when viewed from the axial direction, at least a portion of the first opening and the second opening overlap, and the first opening and the third opening do not overlap. In this structure, the inductance can be adjusted appropriately.

[0008] (4) In the electronic component of (1) or (2), it may be that: in the first inductor, a first opening is formed by two conductors and a connecting conductor; in the second inductor, a second opening is formed by two conductors and a connecting conductor; in the third inductor, a third opening is formed by two conductors and a connecting conductor; the first opening is smaller than the second opening, when viewed from the axial direction, at least a portion of the first opening and the second opening overlap, and the first opening and the third opening do not overlap. In the case where the element including the first inductor and the second inductor and the element including the third inductor have different characteristics, when the first opening of the first inductor is smaller than the second opening of the second inductor, the first inductor may be affected more by the third inductor than the second inductor. Therefore, by making the first opening and the third opening non-overlapping, the first inductor can be suppressed from being affected by the third inductor. As a result, in the electronic component, inductance adjustment can be performed, and desired characteristics can be obtained.

[0009] (5) In any of the electronic components described in (1) to (4), each of the plurality of inductors may include two conductors extending in one direction and a connecting conductor connecting one end of each of the two conductors in one direction. In this structure, the magnetic field of the inductor can be controlled, or the inductor can be efficiently arranged.

[0010] (6) In any of the electronic components described in (1) to (5), the first inductor, the second inductor, and the third inductor may be arranged in a row in the axial direction. In this structure, the inductors can be efficiently arranged in the element body. In addition, magnetic coupling can be suppressed in the first inductor, the second inductor, and the third inductor.

[0011] (7) In any of the electronic components described in (1) to (5), the plurality of inductors may include a fourth inductor and a fifth inductor, each of the fourth inductor and the fifth inductor having two conductors extending in one direction and a connecting conductor connecting one end of each of the two conductors in one direction; when viewed from one direction, the axial directions of the fourth inductor and the fifth inductor are mutually non-overlapping and parallel; when viewed from one direction, the axial directions of the first inductor, the second inductor, and the third inductor are mutually orthogonal to the axial directions of the fourth inductor and the fifth inductor. In this structure, by arranging the plurality of inductors in the element body with the axial centers staggered, the inductors can be efficiently arranged. Therefore, in the electronic component, the space in the element body can be effectively utilized (the space efficiency in the element body can be improved). In addition, in the electronic component, the plurality of inductors include the fourth inductor and the fifth inductor. In this structure, when viewed from one direction, the axial directions of the inductors are mutually non-overlapping and parallel, thereby adjusting the inductance of the inductors. Therefore, desired characteristics can be obtained in the electronic component.

[0012] According to one aspect of the present disclosure, the space in the element body can be effectively utilized and desired characteristics can be obtained. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is an equivalent circuit diagram of an electronic component according to one embodiment.

[0014] Figure 2A and Figure 2B This is a perspective view of an electronic component according to one embodiment.

[0015] Figure 3 yes Figure 2A and Figure 2B A perspective view of the electronic components shown.

[0016] Figure 4 This is an exploded perspective view of electronic components.

[0017] Figure 5 This is a diagram of an electronic component viewed from the main surface side.

[0018] Figure 6 This is a diagram of the inductor portion as viewed from the axial direction. DETAILED DESCRIPTION

[0019] Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or corresponding elements are denoted by the same reference numerals, and repeated descriptions are omitted.

[0020] Figure 11 is an equivalent circuit diagram of an electronic component according to an embodiment. The electronic component 1 includes an input terminal T1 for inputting a signal, a first output terminal T2 for outputting a signal, a second output terminal T3 for outputting a signal, a ground terminal T4, a ground terminal T5, a ground terminal T6, a first filter F1 provided between the input terminal T1 and the first output terminal T2, and a second filter F2 provided between the input terminal T1 and the second output terminal T3. The electronic component 1 is, for example, a duplexer.

[0021] The first filter F1 is, for example, a low-pass filter. The first filter F1 selectively passes a first signal of a frequency within a first frequency band and a second signal of a frequency within a second frequency band higher than the first frequency band. The first filter F1 includes an inductor L1, an inductor L2, a capacitor C1, a capacitor C2, and a capacitor C3. The inductor L1 and the capacitor C1, and the inductor L2 and the capacitor C2 respectively constitute a resonator (resonance circuit).

[0022] The second filter F2 is, for example, a high-pass filter. The second filter F2 selectively passes the second signal. The second filter F2 includes an inductor L3, an inductor L4, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a capacitor C11, and a capacitor C12. The inductor L3 and the capacitor C8 constitute a resonator. The inductor L4 and the capacitor C11 constitute a resonator.

[0023] Reference Figure 2A , Figure 2B and Figure 3 The structure of an electronic component according to one embodiment will be described. Figure 2A and Figure 2B It is a three-dimensional diagram of electronic components. Figure 3 2 is a perspective view of the electronic component shown in FIG. Figure 2A , Figure 2B and Figure 3 As shown in FIG. 1 , the electronic component 1 includes a body 2, a first terminal electrode 3, a second terminal electrode 4, and a third terminal electrode 5. Figure 3 In FIG. 1 , the element body 2 is represented by a double-dashed line.

[0024] The element body 2 is in the shape of a rectangular parallelepiped. The rectangular parallelepiped shape includes the shape of a rectangular parallelepiped with chamfered corners and ridges, and the shape of a rectangular parallelepiped with rounded corners and ridges. The element body 2 has: a pair of end faces 2a, 2b; a pair of main faces 2c, 2d; and a pair of side faces 2e, 2f, which serve as outer surfaces. The end faces 2a, 2b are opposite to each other. The main faces 2c, 2d are opposite to each other. The side faces 2e, 2f are opposite to each other. Hereinafter, the relative direction of the end faces 2a, 2b is set as the first direction D1, the relative direction of the main faces 2c, 2d is set as the second direction (one direction) D2, and the relative direction of the side faces 2e, 2f is set as the third direction D3. The first direction D1, the second direction D2, and the third direction D3 are substantially orthogonal to each other.

[0025] The end faces 2a and 2b extend along the second direction D2 in a manner connecting the main faces 2c and 2d. The end faces 2a and 2b also extend along the third direction D3 in a manner connecting the side faces 2e and 2f. The main faces 2c and 2d extend along the first direction D1 in a manner connecting the end faces 2a and 2b. The main faces 2c and 2d also extend along the third direction D3 in a manner connecting the side faces 2e and 2f. The side faces 2e and 2f extend along the first direction D1 in a manner connecting the end faces 2a and 2b. The side faces 2e and 2f also extend along the second direction D2 in a manner connecting the main faces 2c and 2d.

[0026] The main surface 2d is a mounting surface, for example, when the electronic component 1 is mounted on other electronic devices (for example, circuit substrates or laminated electronic components) not shown in the figure, the surface facing other electronic devices. The end surfaces 2a and 2b are surfaces that are continuous from the mounting surface (i.e., the main surface 2d). A mark M is provided on the main surface 2c. The mark M indicates the direction and orientation of the electronic component 1. In addition, the mark M may not be provided.

[0027] The length of the element body 2 in the first direction D1 is longer than the length of the element body 2 in the second direction D2 and the length of the element body 2 in the third direction D3. The length of the element body 2 in the second direction D2 is shorter than the length of the element body 2 in the third direction D3. That is, in this embodiment, the end faces 2a, 2b, the main faces 2c, 2d, and the side faces 2e, 2f are rectangular. The length of the element body 2 in the second direction D2 may be equal to the length of the element body 2 in the third direction D3, or may be longer than the length of the element body 2 in the third direction D3.

[0028] In this embodiment, “equivalent” may not only mean equal, but also mean a value including a slight difference or manufacturing error within a predetermined range. For example, if multiple values ​​fall within a range of ±5% of the average value of the multiple values, the multiple values ​​are defined as equivalent.

[0029] The element body 2 is composed of a plurality of insulating layers 9 (see Figure 4) are stacked in the second direction D2. That is, the stacking direction of the element body 2 is the second direction D2. In the actual element body 2, the plurality of insulating layers 9 may be integrated to the extent that the boundaries between the layers cannot be identified, or may be integrated to the extent that the boundaries between the layers can be identified.

[0030] The insulating layer 9 is composed of, for example, a sintered body of a ceramic green sheet containing a dielectric material, such as at least one selected from BaTiO3-based materials, Ba(Ti, Zr)O3-based materials, (Ba, Ca)TiO3-based materials, glass materials, or alumina materials.

[0031] The first terminal electrode 3, the second terminal electrode 4, the third terminal electrode 5, the fourth terminal electrode 6, the fifth terminal electrode 7 and the sixth terminal electrode 8 are respectively provided on the element body 2. The first terminal electrode 3, the second terminal electrode 4, the third terminal electrode 5, the fourth terminal electrode 6, the fifth terminal electrode 7 and the sixth terminal electrode 8 are respectively arranged on the main surface 2d of the element body 2. The first terminal electrode 3, the second terminal electrode 4 and the third terminal electrode 5 are arranged at a position close to the side surface 2e. The fourth terminal electrode 6, the fifth terminal electrode 7 and the sixth terminal electrode 8 are arranged at a position close to the side surface 2f.

[0032] The first terminal electrode 3 is located on the end surface 2a side, and the third terminal electrode 5 is located on the end surface 2b side. The second terminal electrode 4 is located between the first terminal electrode 3 and the third terminal electrode 5 in the first direction D1. The fourth terminal electrode 6 is located on the end surface 2a side, and the sixth terminal electrode 8 is located on the end surface 2b side. The fifth terminal electrode 7 is located between the fourth terminal electrode 6 and the sixth terminal electrode 8 in the first direction D1. The first terminal electrode 3 and the fourth terminal electrode 6 are arranged opposite to each other in the third direction D3. The second terminal electrode 4 and the fifth terminal electrode 7 are arranged opposite to each other in the third direction D3. The third terminal electrode 5 and the sixth terminal electrode 8 are arranged opposite to each other in the third direction D3.

[0033] The first terminal electrode 3, the second terminal electrode 4, the third terminal electrode 5, the fourth terminal electrode 6, the fifth terminal electrode 7 and the sixth terminal electrode 8 are each in a rectangular shape. The first terminal electrode 3, the second terminal electrode 4, the third terminal electrode 5, the fourth terminal electrode 6, the fifth terminal electrode 7 and the sixth terminal electrode 8 are arranged so that each side is along the first direction D1 or the third direction D3. The first terminal electrode 3, the second terminal electrode 4, the third terminal electrode 5, the fourth terminal electrode 6, the fifth terminal electrode 7 and the sixth terminal electrode 8 protrude from the main surface 2d. That is, in the present embodiment, the surface of each of the first terminal electrode 3, the second terminal electrode 4, the third terminal electrode 5, the fourth terminal electrode 6, the fifth terminal electrode 7 and the sixth terminal electrode 8 is not flush with the main surface 2d. The first terminal electrode 3, the second terminal electrode 4, the third terminal electrode 5, the fourth terminal electrode 6, the fifth terminal electrode 7 and the sixth terminal electrode 8 are made of a conductive material (for example, Cu).

[0034] A plating layer (not shown) containing, for example, Ni, Sn, Au, etc. may be provided by performing electrolytic plating or electroless plating on the first terminal electrode 3, the second terminal electrode 4, the third terminal electrode 5, the fourth terminal electrode 6, the fifth terminal electrode 7, and the sixth terminal electrode 8, respectively. The plating layer may also include, for example, a Ni-plated film containing Ni and covering the first terminal electrode 3, the second terminal electrode 4, the third terminal electrode 5, the fourth terminal electrode 6, the fifth terminal electrode 7, and the sixth terminal electrode 8; and an Au-plated film containing Au and covering the Ni-plated film.

[0035] The fifth terminal electrode 7 constitutes the input terminal T1. The first terminal electrode 3 constitutes the first output terminal T2. The third terminal electrode 5 constitutes the second output terminal T3. The second terminal electrode 4 constitutes the ground terminal T5. The sixth terminal electrode 8 constitutes the ground terminal T6.

[0036] Next, the configurations of the first filter F1 and the second filter F2 will be described in detail. In the electronic component 1 , the first filter F1 and the second filter F2 are arranged in the element body 2 .

[0037] like Figure 3 As shown, the first filter F1 (refer to Figure 1 ) of the inductor L1 (refer to Figure 1 ) is composed of an inductor unit (fourth inductor) 10. Inductor L2 (refer to Figure 1 ) is composed of an inductor portion (first inductor) 11 and an inductor portion (second inductor) 12. Capacitor C1 (refer to Figure 1 ) is composed of a capacitor conductor 13 and a capacitor conductor 14. Figure 4 As shown, capacitor C2 (refer to Figure 1 ) is composed of a capacitor conductor 14 and a capacitor conductor 15. Capacitor C3 (refer to Figure 1 ) is composed of a capacitor conductor 14 and a capacitor conductor 16. The capacitor conductor 15 is electrically connected to the first terminal electrode 3 via a connection conductor 17. The capacitor conductor 16 is electrically connected to the second terminal electrode 4 via a connection conductor 18.

[0038] The inductor unit 10 includes a first conductor 10A, a second conductor 10B, a first inductor conductor (connection conductor) 10C, and a second inductor conductor 10D. In the present embodiment, the inductor unit 10 includes two first conductors 10A, two second conductors 10B, and two first inductor conductors 10C.

[0039] The first conductor 10A extends along the second direction D2 (one direction). The first conductor 10A may be composed of a plurality of through-hole conductors. The second conductor 10B extends along the second direction D2. The second conductor 10B may be composed of a plurality of through-hole conductors. The first conductor 10A and the first conductor 10A are arranged at a predetermined interval in the third direction D3. The second conductor 10B and the second conductor 10B are arranged at a predetermined interval in the third direction D3. The first conductor 10A and the second conductor 10B are arranged at a predetermined interval in the first direction D1.

[0040] The first inductor conductor 10C electrically connects the first conductor 10A and the second conductor 10B. The first inductor conductor 10C is substantially rectangular (strip-shaped). The first inductor conductor 10C is arranged to span one end portion of the first conductor 10A in the second direction D2 (the end portion on the main surface 2c side) and one end portion of the second conductor 10B in the second direction D2 (the end portion on the main surface 2c side). The first inductor conductor 10C is mounted on the first conductor 10A and the second conductor 10B. The first inductor conductor 10C is arranged so that the long side direction of the first inductor conductor 10C is along the first direction D1. That is, the first inductor conductor 10C extends along the first direction D1. The first inductor conductor 10C may be composed of one conductor or may be composed of a plurality of (for example, two) conductors.

[0041] One first conductor 10A, one second conductor 10B, and one first inductor conductor 10C constitute a channel-shaped (substantially U-shaped, substantially C-shaped) inductor. In the present embodiment, the inductor unit 10 includes two of these inductors.

[0042] The second inductor conductor 10D electrically connects the first conductor 10A and the second conductor 10B. The second inductor conductor 10D electrically connects the two inductors. The second inductor conductor 10D connects the other end portion of the first conductor 10A in the second direction D2 (the end portion on the main surface 2d side) and the other end portion of the second conductor 10B in the second direction D2 (the end portion on the main surface 2d side). The second inductor conductor 10D may be composed of one conductor or a plurality of (for example, two) conductors.

[0043] One end of the inductor portion 10 is connected to the capacitor conductor 14 via the connection conductor 10E. The other end of the inductor portion 10 is connected to the capacitor conductor 19.

[0044] The inductor unit 11 includes a first conductor 11A, a second conductor 11B, a first inductor conductor (connection conductor) 11C, and a second inductor conductor 11D. In the present embodiment, the inductor unit 11 includes two first conductors 11A, two second conductors 11B, and two first inductor conductors 11C.

[0045] The first conductor 11A extends along the second direction D2. The first conductor 11A may be composed of a plurality of through-hole conductors. The second conductor 11B extends along the second direction D2. The second conductor 11B may be composed of a plurality of through-hole conductors. The first conductor 11A and the first conductor 11A are arranged at a predetermined interval in the first direction D1. The second conductor 11B and the second conductor 11B are arranged at a predetermined interval in the first direction D1. The first conductor 11A and the second conductor 11B are arranged at a predetermined interval in the third direction D3.

[0046] The first inductor conductor 11C electrically connects the first conductor 11A and the second conductor 11B. The first inductor conductor 11C is in a substantially rectangular (long strip) shape. The first inductor conductor 11C is arranged to span one end portion (end portion on the main surface 2c side) of the first conductor 11A in the second direction D2 and one end portion (end portion on the main surface 2c side) of the second conductor 11B in the second direction D2. The first inductor conductor 11C is mounted on the first conductor 11A and the second conductor 11B. The first inductor conductor 11C is arranged so that the long side direction of the first inductor conductor 11C is along the third direction D3. That is, the first inductor conductor 11C extends along the third direction D3. The extension direction of the first inductor conductor 11C is orthogonal to the extension direction of the first inductor conductor 10C. The first inductor conductor 11C may be composed of one conductor or may be composed of a plurality of (for example, two) conductors.

[0047] One first conductor 11A, one second conductor 11B, and one first inductor conductor 11C constitute a channel-shaped (substantially U-shaped, substantially C-shaped) inductor. In the present embodiment, the inductor unit 11 includes two of these inductors.

[0048] The second inductor conductor 11D electrically connects the first conductor 11A and the second conductor 11B. The second inductor conductor 11D electrically connects the two inductors. The second inductor conductor 11D connects the other end portion of the first conductor 11A in the second direction D2 (the end portion on the main surface 2d side) and the other end portion of the second conductor 11B in the second direction D2 (the end portion on the main surface 2d side). The second inductor conductor 11D may be composed of one conductor or a plurality of (for example, two) conductors.

[0049] One end of the inductor portion 11 is connected to the capacitor conductor 14 , and the other end of the inductor portion 11 is connected to the capacitor conductor 15 .

[0050] The inductor unit 12 includes a first conductor 12A, a second conductor 12B, a first inductor conductor (connection conductor) 12C, and a second inductor conductor 12D. In the present embodiment, the inductor unit 12 includes two first conductors 12A, two second conductors 12B, and two first inductor conductors 12C.

[0051] The first conductor 12A extends along the second direction D2. The first conductor 12A may be composed of a plurality of through-hole conductors. The second conductor 12B extends along the second direction D2. The second conductor 12B may be composed of a plurality of through-hole conductors. The first conductor 12A and the first conductor 12A are arranged at a predetermined interval in the first direction D1. The second conductor 12B and the second conductor 12B are arranged at a predetermined interval in the first direction D1. The first conductor 12A and the second conductor 12B are arranged at a predetermined interval in the third direction D3.

[0052] The first inductor conductor 12C electrically connects the first conductor 12A and the second conductor 12B. The first inductor conductor 12C is in a substantially rectangular (long strip) shape. The first inductor conductor 12C is arranged across one end portion (end portion on the main surface 2c side) of the first conductor 12A in the second direction D2 and one end portion (end portion on the main surface 2c side) of the second conductor 12B in the second direction D2. The first inductor conductor 12C is mounted on the first conductor 12A and the second conductor 12B. The first inductor conductor 12C is arranged in such a manner that the long side direction of the first inductor conductor 12C is along the third direction D3. That is, the first inductor conductor 12C extends along the third direction D3. The extension direction of the first inductor conductor 12C is orthogonal to the extension direction of the first inductor conductor 10C and is parallel to the extension direction of the first inductor conductor 11C. The first inductor conductor 12C may be composed of one conductor or may be composed of a plurality of (for example, two) conductors.

[0053] One first conductor 12A, one second conductor 12B, and one first inductor conductor 12C constitute a channel-shaped (substantially U-shaped, substantially C-shaped) inductor. In the present embodiment, the inductor unit 12 includes two of these inductors.

[0054] The second inductor conductor 12D electrically connects the first conductor 12A and the second conductor 12B. The second inductor conductor 12D electrically connects the above-mentioned inductor. The second inductor conductor 12D connects the other end portion of the first conductor 12A in the second direction D2 (the end portion on the main surface 2d side) and the other end portion of the second conductor 12B in the second direction D2 (the end portion on the main surface 2d side). The second inductor conductor 12D may be composed of one conductor or a plurality of (for example, two) conductors.

[0055] One end of the inductor portion 12 is connected to the capacitor conductor 14 , and the other end of the inductor portion 12 is connected to the capacitor conductor 15 .

[0056] like Figure 3 As shown, the second filter F2 (refer to Figure 1 ) of the inductor L3 (refer to Figure 1 ) is composed of an inductor unit (third inductor) 30. Inductor L4 (refer to Figure 1 ) is composed of an inductor portion (fifth inductor) 31. Capacitor C4 (refer to Figure 1 ) is composed of a capacitor conductor 19 and a capacitor conductor 20. Figure 4 As shown, capacitor C5 (refer to Figure 1 ) is composed of the capacitor conductor 24 and the ground conductor of the mounting substrate. Capacitor C6 (refer to Figure 1 ) is composed of a capacitor conductor 25 and a capacitor conductor 26.

[0057] Capacitor C7 (refer to Figure 1 ) is composed of the parasitic capacitance of the inductor unit 30 itself. Capacitor C8 (refer to Figure 1 ) is composed of a capacitor conductor 24 and a capacitor conductor 21. Capacitor C9 (refer to Figure 1 ) is formed by the (planar) connection of the capacitor conductor 24 and the capacitor conductor 23. Capacitor C10 (refer to Figure 1 ) is composed of a capacitor conductor 23 and a capacitor conductor 21. Capacitor C11 (refer to Figure 1 ) is composed of the parasitic capacitance of the inductor portion 31 itself. Capacitor C12 (see Figure 1 ) is composed of a capacitor conductor 21 and a ground conductor of the mounting substrate.

[0058] The inductor unit 30 includes a first conductor 30A, a second conductor 30B, a first inductor conductor (connection conductor) 30C, and a second inductor conductor 30D. In the present embodiment, the inductor unit 30 includes six first conductors 30A, six second conductors 30B, six first inductor conductors 30C, and five second inductor conductors 30D.

[0059] The first conductor 30A extends along the second direction D2. The first conductor 30A may be composed of a plurality of through-hole conductors. The second conductor 30B extends along the second direction D2. The second conductor 30B may be composed of a plurality of through-hole conductors. The first conductor 30A and the first conductor 30A are arranged at a predetermined interval in the first direction D1. The second conductor 30B and the second conductor 30B are arranged at a predetermined interval in the first direction D1. The first conductor 30A and the second conductor 30B are arranged at a predetermined interval in the third direction D3.

[0060] The first inductor conductor 30C electrically connects the first conductor 30A and the second conductor 30B. The first inductor conductor 30C is substantially rectangular (strip-shaped). The first inductor conductor 30C is arranged across one end portion of the first conductor 30A in the second direction D2 (the end portion on the main surface 2c side) and one end portion of the second conductor 30B in the second direction D2 (the end portion on the main surface 2c side). The first inductor conductor 30C is mounted on the first conductor 30A and the second conductor 30B. The first inductor conductor 30C is arranged in such a way that the long side direction of the first inductor conductor 30C is along the third direction D3. That is, the first inductor conductor 30C extends along the third direction D3. The first inductor conductor 30C may be composed of one conductor or may be composed of a plurality of (for example, two) conductors.

[0061] One first conductor 30A, one second conductor 30B, and one first inductor conductor 30C constitute a channel-shaped (substantially U-shaped, substantially C-shaped) inductor. In the present embodiment, the inductor unit 30 includes six of these inductors.

[0062] The second inductor conductor 30D electrically connects the first conductor 30A and the second conductor 30B. The second inductor conductor 30D electrically connects the two inductors. The second inductor conductor 30D connects the other end portion of the first conductor 30A in the second direction D2 (the end portion on the main surface 2d side) and the other end portion of the second conductor 30B in the second direction D2 (the end portion on the main surface 2d side). The second inductor conductor 30D may be composed of one conductor or a plurality of (for example, two) conductors.

[0063] One end of the inductor portion 30 is connected to the capacitor conductor 24 . The other end of the inductor portion 12 is connected to the capacitor conductor 25 .

[0064] The inductor unit 31 includes a first conductor 31A, a second conductor 31B, a first inductor conductor (connection conductor) 31C, and a second inductor conductor 31D. In the present embodiment, the inductor unit 31 includes two first conductors 31A, two second conductors 31B, two first inductor conductors 31C, and two second inductor conductors 31D.

[0065] The first conductor 31A extends along the second direction D2. The first conductor 31A may be composed of a plurality of through-hole conductors. The second conductor 31B extends along the second direction D2. The second conductor 31B may be composed of a plurality of through-hole conductors. The first conductor 31A and the first conductor 31A are arranged at a predetermined interval in the third direction D3. The second conductor 31B and the second conductor 31B are arranged at a predetermined interval in the third direction D3. The first conductor 31A and the second conductor 31B are arranged at a predetermined interval in the first direction D1.

[0066] The first inductor conductor 31C electrically connects the first conductor 31A and the second conductor 31B. The first inductor conductor 31C is in a substantially rectangular (long strip) shape. The first inductor conductor 31C is arranged to span one end portion of the first conductor 31A in the second direction D2 (the end portion on the main surface 2c side) and one end portion of the second conductor 31B in the second direction D2 (the end portion on the main surface 2c side). The first inductor conductor 31C is mounted on the first conductor 31A and the second conductor 31B. The first inductor conductor 31C is arranged in such a way that the long side direction of the first inductor conductor 31C is along the first direction D1. That is, the first inductor conductor 31C extends in the first direction D1. The extension direction of the first inductor conductor 31C is orthogonal to the extension direction of the first inductor conductor 30C. The first inductor conductor 31C may be composed of one conductor or may be composed of a plurality of (for example, two) conductors.

[0067] One first conductor 31A, one second conductor 31B, and one first inductor conductor 31C constitute a channel-shaped (substantially U-shaped, substantially C-shaped) inductor. In the present embodiment, the inductor unit 31 includes three of these inductors.

[0068] The second inductor conductor 12D electrically connects the first conductor 12A and the second conductor 12B. The second inductor conductor 12D electrically connects the two inductors. The second inductor conductor 12D connects the other end portion of the first conductor 12A in the second direction D2 (the end portion on the main surface 2d side) and the other end portion of the second conductor 12B in the second direction D2 (the end portion on the main surface 2d side). The second inductor conductor 12D may be composed of one conductor or a plurality of (for example, two) conductors.

[0069] One end of the inductor portion 31 is connected to the capacitor conductor 23 . The other end of the inductor portion 12 is connected to the second terminal electrode 4 .

[0070] In this embodiment, if Figure 3 As shown in FIG. 1 , the inductor portions 10, 11, 12, 30, and 31 are arranged at the same height position on the main surface 2c side in the second direction D2. That is, the first inductor conductor 10C, the first inductor conductor 11C, the first inductor conductor 12C, the first inductor conductor 30C, and the first inductor conductor 31C are arranged at the same height position in the second direction D2.

[0071] like Figure 5 As shown in FIG. 1 , the inductor portion 10 , the inductor portion 11 , and the inductor portion 12 are arranged near the end surface 2 a , and the inductor portion 30 and the inductor portion 31 are arranged near the end surface 2 b .

[0072] When viewed from the third direction D3, the inductor portion 10, the inductor portion 11, and the inductor portion 12 are arranged at overlapping positions. When viewed from the third direction D3, the inductor portion 30 and the inductor portion 31 are arranged at overlapping positions. The inductor portion 11, the inductor portion 12, and the inductor portion 30 are arranged in a row in the first direction D1. When viewed from the third direction D3, the inductor portion 11, the inductor portion 12, and the inductor portion 30 are arranged at positions that do not overlap each other. When viewed from the first direction D1, the inductor portion 12 and the inductor portion 30 are arranged at positions that partially overlap.

[0073] In the inductor unit 10, an opening A1 is formed by the first conductor 10A, the second conductor 10B, and the first inductor conductor 10C. The direction of the axis AX1 of the inductor unit 10 (axial direction) is the third direction D3. The axis refers to the central axis of the inductor formed by the first conductor 10A, the second conductor 10B, and the first inductor conductor 10C. The axis AX1 may be the center of the opening A1. The direction MD1 of the magnetic field generated in the inductor unit 10 is along the third direction D3. The direction MD1 of the magnetic field is the direction from the side 2f of the element body 2 toward the side 2e. The direction of the axis AX1 and the direction MD1 of the magnetic field are the same direction.

[0074] In the inductor part 11, an opening (first opening) A2 is formed by the first conductor 11A, the second conductor 11B, and the first inductor conductor 11C. The direction of the axis AX2 of the inductor part 11 (axial direction) is the first direction D1. The axis AX2 may be the center of the opening A2. The direction MD2 of the magnetic field generated in the inductor part 11 is along the first direction D1. The direction MD2 of the magnetic field is the direction from the end face 2a of the element body 2 toward the end face 2b. The direction of the axis AX2 and the direction MD2 of the magnetic field are the same direction.

[0075] In the inductor part 12, an opening (second opening) A3 is formed by the first conductor 12A, the second conductor 12B, and the first inductor conductor 12C. The direction of the axis AX3 of the inductor part 12 (axial direction) is the first direction D1. The axis AX3 may be the center of the opening A3. The direction MD3 of the magnetic field generated in the inductor part 12 is along the first direction D1. The direction MD3 of the magnetic field is the direction from the end face 2a of the element body 2 toward the end face 2b. The direction of the axis AX3 and the direction MD3 of the magnetic field are the same direction.

[0076] In the inductor part 30, an opening (third opening) A4 is formed by the first conductor 30A, the second conductor 30B, and the first inductor conductor 30C. The direction of the axis AX4 of the inductor part 30 (axial direction) is the first direction D1. The axis AX4 may be the center of the opening A4. The direction MD4 of the magnetic field generated in the inductor part 30 is along the first direction D1. The direction MD4 of the magnetic field is the direction from the end face 2b of the element body 2 toward the end face 2a. The direction of the axis AX4 and the direction MD4 of the magnetic field are the same direction.

[0077] In the inductor portion 31, an opening A5 is formed by the first conductor 31A, the second conductor 31B, and the first inductor conductor 31C. The direction of the axis AX5 of the inductor portion 31 (axial direction) is the third direction D3. The axis AX5 may be the center of the opening A5. The direction MD5 of the magnetic field generated in the inductor portion 31 is along the third direction D3. The direction MD5 of the magnetic field is the direction from the side surface 2e of the element body 2 toward the side surface 2f. The direction of the axis AX5 and the direction MD5 of the magnetic field are the same direction.

[0078] The direction of the axis AX1 of the inductor portion 10 and the direction of the axis AX5 of the inductor portion 31 are the same direction (third direction D3). The direction of the axis AX1 of the inductor portion 10 and the direction of the axis AX5 of the inductor portion 31 are parallel to each other. The direction of the axis AX2 of the inductor portion 11, the direction of the axis AX3 of the inductor portion 12, and the direction of the axis AX3 of the inductor portion 12 are the same direction (first direction D1). The direction of the axis AX2 of the inductor portion 11, the direction of the axis AX3 of the inductor portion 12, and the direction of the axis AX3 of the inductor portion 12 are parallel to each other.

[0079] The direction of the axis AX1 of the inductor portion 10 is orthogonal to the direction of the axis AX2 of the inductor portion 11 and the direction of the axis AX3 of the inductor portion 12. The direction of the axis AX4 of the inductor portion 30 is orthogonal to the axis AX5 of the inductor portion 31.

[0080] The direction MD1 of the magnetic field generated in the inductor section 10 and the direction MD5 of the magnetic field generated in the inductor section 31 are opposite to each other. The direction MD2 of the magnetic field generated in the inductor section 11 and the direction MD3 of the magnetic field generated in the inductor section 12 are the same direction. The direction MD2 of the magnetic field generated in the inductor section 11 and the direction MD3 of the magnetic field generated in the inductor section 12 are opposite to the direction MD4 of the magnetic field generated in the inductor section 30. The direction MD1 of the magnetic field generated in the inductor section 10 and the direction MD5 of the magnetic field generated in the inductor section 31 are orthogonal to the direction MD2 of the magnetic field generated in the inductor section 11, the direction MD3 of the magnetic field generated in the inductor section 12, and the direction MD4 of the magnetic field generated in the inductor section 30.

[0081] like Figure 6 As shown, the opening A2 of the inductor portion 11 is smaller than the opening A3 of the inductor portion 12 and the opening A4 of the inductor portion 30. The opening A3 of the inductor portion 12 may be smaller than the opening A4 of the inductor portion 30, may be the same as the opening A4 of the inductor portion 30, or may be larger than the opening A4 of the inductor portion 30.

[0082] When viewed from the first direction D1, the opening A2 of the inductor portion 11 overlaps with the opening A3 of the inductor portion 12. When viewed from the first direction D1, a portion of the opening A3 of the inductor portion 12 overlaps with the opening A4 of the inductor portion 30. When viewed from the first direction D1, the opening A2 of the inductor portion 11 does not overlap with the opening A4 of the inductor portion 30.

[0083] As described above, in the electronic component 1 of the present embodiment, when viewed from the second direction D2, the directions of the axes AX2, AX3, and AX4 of the inductor section 11, the inductor section 12, and the inductor section 30 do not overlap with each other and are parallel. In this way, in the electronic component 1, by arranging a plurality of inductors in the element body 2 with the axes AX2, AX3, and AX4 staggered, the inductors can be efficiently arranged. Therefore, in the electronic component 1, the space in the element body 2 can be effectively utilized (the space efficiency in the element body 2 can be improved). In addition, in the electronic component 1, the plurality of inductors include the inductor section 11, the inductor section 12, and the inductor section 30. In this structure, when viewed from the second direction D2, the directions of the axes AX2, AX3, and AX4 do not overlap with each other and are parallel, thereby adjusting the inductance of the inductor section 11, the inductor section 12, and the inductor section 30. Therefore, in the electronic component 1, the desired characteristics can be obtained.

[0084] In the electronic component 1 of the present embodiment, the directions of the magnetic fields generated in the inductor section 11 and the inductor section 12 are opposite to the directions of the magnetic fields generated in the inductor section 30. In this configuration, in the first filter F1 (element) including the inductor section 11 and the inductor section 12, and the second filter F2 including the inductor section 30, it is possible to suppress the influence on the characteristics of each other's filters.

[0085] In the electronic component 1 of the present embodiment, in the inductor portion 11, the first conductor 11A, the second conductor 11B, and the first inductor conductor 11C form an opening A2; in the inductor portion 12, the first conductor 12A, the second conductor 12B, and the first inductor conductor 12C form an opening A3; in the inductor portion 30, the first conductor 30A, the second conductor 30B, and the first inductor conductor 30C form an opening A4. In the electronic component 1, when viewed from the first direction D1 (axial direction), the opening A2 and the opening A3 overlap, and the opening A2 and the opening A4 do not overlap. In this structure, the inductance can be adjusted appropriately.

[0086] In the electronic component 1 of the present embodiment, the opening A2 of the inductor section 11 is smaller than the opening A3 of the inductor section 12. In the electronic component 1, when viewed from the first direction D1, the opening A2 and the opening A3 overlap, and the opening A2 and the opening A5 do not overlap. In the case where the first filter F1 including the inductor section 11 and the inductor section 12 and the second filter F2 including the inductor section 30 have different characteristics, when the opening A2 of the inductor section 11 is smaller than the opening A3 of the inductor section 12, the inductor section 11 may be affected more by the inductor section 30 than the inductor section 12. Therefore, by making the opening A2 and the opening A4 non-overlapping, the inductor section 11 can be suppressed from being affected by the inductor section 30. As a result, in the electronic component 1, the inductance can be adjusted, and the desired characteristics can be obtained.

[0087] In the electronic component 1 of the present embodiment, the inductor portion 11, the inductor portion 12, and the inductor portion 30 are arranged in the direction of the axes AX2, AX3, and AX4. In this structure, the inductors can be efficiently arranged in the element body 2. In addition, in the inductor portion 11, the inductor portion 12, and the inductor portion 30, magnetic coupling can be suppressed.

[0088] In the electronic component 1 of the present embodiment, when viewed from the second direction D2, the directions of the axes AX1 and AX5 of the inductor portion 10 and the inductor portion 31 do not overlap each other and are parallel. In the electronic component 1, when viewed from the second direction D2, the directions of the axes AX2, AX3, and AX4 of the inductor portion 11, the inductor portion 12, and the inductor portion 30 are orthogonal to the axes AX1 and AX5 of the inductor portion 10 and the inductor portion 31. In this structure, by arranging a plurality of inductors in the element body 2 with the axes staggered, the inductors can be efficiently arranged. Therefore, in the electronic component 1, the space in the element body 2 can be effectively utilized (the space efficiency in the element body can be improved).

[0089] As mentioned above, although embodiment of this disclosure was described, this disclosure is not necessarily limited to the said embodiment, Various changes can be made within the range which does not deviate from the summary.

[0090] In the above embodiment, the electronic component 1 is described as an example in which the electronic component 1 includes the inductor portion 10, the inductor portion 11, the inductor portion 12, the inductor portion 30, and the inductor portion 31. However, the electronic component 1 only needs to include at least the inductor portion 10, the inductor portion 11, and the inductor portion 12. In addition, the electronic component 1 may include six or more inductor portions.

[0091] In each of the inductor section 10 , the inductor section 11 , the inductor section 12 , the inductor section 30 , and the inductor section 31 , the number and shape of the first conductor, the second conductor, the first inductor conductor, and the second inductor conductor are not particularly limited and may be appropriately set.

Claims

1. An electronic component, wherein: have: body; and a plurality of inductors disposed in the element body, The plurality of inductors include a first inductor, a second inductor and a third inductor, The first inductor, the second inductor, and the third inductor each have: Two conductors, which extend in one direction; and a connecting conductor connecting one end of each of the two conductors in the one direction, When viewed from the one direction, the axial directions of the first inductor, the second inductor, and the third inductor do not overlap with each other and are parallel.

2. The electronic component according to claim 1, wherein The directions of the magnetic fields generated in each of the first inductor and the second inductor and the direction of the magnetic field generated in the third inductor are opposite to each other.

3. The electronic component according to claim 1 or 2, wherein: In the first inductor, a first opening is formed by the two conductors and the connecting conductor. In the second inductor, a second opening is formed by the two conductors and the connecting conductor. In the third inductor, a third opening is formed by the two conductors and the connecting conductor, When viewed from the axial direction, at least a portion of the first opening and the second opening overlap, and the first opening and the third opening do not overlap.

4. The electronic component according to claim 1 or 2, wherein: In the first inductor, a first opening is formed by the two conductors and the connecting conductor. In the second inductor, a second opening is formed by the two conductors and the connecting conductor. In the third inductor, a third opening is formed by the two conductors and the connecting conductor, The first opening is smaller than the second opening, When viewed from the axial direction, at least a portion of the first opening and the second opening overlap, and the first opening and the third opening do not overlap.

5. The electronic component according to claim 1 or 2, wherein: Each of the plurality of inductors has: two conductors extending in the one direction; and A connecting conductor connects one end portion of each of the two conductors in the one direction.

6. The electronic component according to claim 1 or 2, wherein: The first inductor, the second inductor, and the third inductor are arranged side by side in the axial direction.

7. The electronic component according to claim 1 or 2, wherein: The plurality of inductors include a fourth inductor and a fifth inductor, The fourth inductor and the fifth inductor each have: two conductors extending in one direction; and a connecting conductor connecting one end of each of the two conductors in the one direction, When viewed from the one direction, the axis directions of the fourth inductor and the fifth inductor do not overlap with each other and are parallel to each other. When viewed from the one direction, the axial direction of each of the first inductor, the second inductor, and the third inductor is orthogonal to the axial direction of each of the fourth inductor and the fifth inductor.

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