1340results about "Fixed capacitor terminals" patented technology

A multilayer ceramic electronic component includes a multilayer body including first and second internal electrode layers extending first and second end surfaces, first and second external electrodes respectively on the first and second end surfaces and respectively connected to the first and second internal electrode layers. The first external electrode includes first and third Cu plating layers, the second external electrode includes second and fourth Cu plating layers. Average numbers of Cu particles are about 1.5 or less in two or more first or second square regions of the first and second Cu plating layers. Average numbers of Cu particles are more than about 1.5 in two or more third or fourth square regions of the third and fourth Cu plating layer. The first square regions to the fourth square regions each has a square or substantially square shape with each side having a dimension of about 2 μm.

A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal.

A multilayer electronic component includes a body including a capacitance formation portion including a dielectric layer and internal electrodes alternately arranged in a first direction and cover portions disposed on the capacitance formation portion in the first direction, first to sixth surfaces; external electrodes disposed on the third and fourth surfaces; side margin portions disposed on the fifth and sixth surfaces; and a first extension portion disposed to extend to portions of the first and second surfaces, and wherein at least a partial region of the first extension portion has a curvature, wherein when an average thickness of the side margin portion is WM0 and a radius of curvature of at least a portion of the first extension portion is R, WM0 and R may satisfy 1.1<R / WM0<2.

A disclosed multilayer ceramic electronic component includes: a stacked body that includes a plurality of dielectric layers stacked in a first direction and a plurality of internal electrodes stacked in the first direction; and a first external electrode, a second external electrode, a third external electrode, and a fourth external electrode that are disposed outside the stacked body. The plurality of internal electrodes includes a plurality of first internal electrodes connected to the first external electrode and the second external electrode and a plurality of second internal electrodes connected to the third external electrode and the fourth external electrode, and an edge of a cross-section of the stacked body that intersects the first direction is a curve.

An apparatus suitable for use in an air-conditioning system and configured to provide a plurality of selectable capacitance values includes a plurality of capacitive devices and a pressure interrupter cover assembly. Each of the capacitive devices has a first capacitor terminal and a second capacitor terminal. The pressure interrupter cover assembly includes a deformable cover, a set of capacitor cover terminals, a common cover terminal, and a set of insulation structures. The apparatus also includes a conductor configured to electrically connect the second capacitor terminal of at least one of the capacitive devices to the common cover terminal.

Provided is a multilayer ceramic capacitor that maintains electrical characteristics and ensures sufficient mechanical strength. In a multilayer ceramic capacitor (1), in a surface layer region (400), a side edge portion (16) includes a first segregation substance (133) having silicon as a main component and having a major diameter of 10 nm to 50 nm, and a second segregation substance (135) having silicon as a main component and having a major diameter of 1 [mu] m or more, a plurality of second segregation substances (135) are present in a cross section, and in the surface layer region (400), an additive component is included. The additive component includes at least one of zirconium, aluminum, titanium, and calcium, and the concentration of the additive component in the surface layer region (400) is higher than the concentration of the additive component in the inner region (402).

The base portion includes: a first outer layer portion (X1) positioned closer to the first main surface side than an internal electrode layer closest to the first main surface side in the stacking direction among the plurality of internal electrode layers; and a second outer layer section that is positioned closer to the second main surface side than an internal electrode layer that is closest to the second main surface side in the stacking direction among the plurality of internal electrode layers. The first outer layer portion (X1) and the second outer layer portion each include an outermost layer portion (Xa) disposed on the outermost side and an inner layer portion (Xb) located on the inner side of the outermost layer portion (Xa). The maximum height (Ha) of the irregularities on the outer surface of the outermost layer section (Xa) is smaller than the maximum height (Hb) of the irregularities on the outer surface of the inner outer layer section (Xb).

In a multilayer ceramic capacitor, when an internal electrode layer closest to one of outer layer portions is defined as an outermost internal electrode layer, the outermost internal electrode layer includes an internal electrode existing region and an internal electrode dividing region. The internal electrode dividing region includes a segregated region of magnesium or manganese, and a ratio B / A of a distance B in a length direction of the segregated region of magnesium or manganese relative to a distance A in the length direction of the internal electrode existing region is about 50% or more and about 75% or less.

A multi-layered capacitor including a capacitor body including a dielectric layer and an internal electrode; and an external electrode disposed on an outer side of the capacitor body, wherein the dielectric layer includes a plurality of dielectric crystal grains, and the dielectric crystal grains include a core containing BaTiO3, a first shell disposed on the core and containing BaTiO3 doped with a first doping element of Sr, Ca, Bi, K, Na, or a combination thereof, and a second shell disposed on the first shell and containing a first coating element of Nb, Ta, or a combination thereof.

A multilayer capacitor includes: a body including a dielectric layer, and first and second internal electrodes stacked on each other in a thickness direction of the capacitor while being spaced apart from each other with the dielectric layer interposed therebetween; a first external electrode connected to the first internal electrode; and a second external electrode spaced apart from the first external electrode in a length direction of the capacitor that is perpendicular to the thickness direction, and connected to the second internal electrode. One of the first internal electrode and the second internal electrode has a horizontal plane perpendicular to the thickness direction and an inclined plane inclined with respect to the horizontal plane in at least a partial region thereof.

A ceramic body with an embedded capacitor. In some embodiments, a device includes: a ceramic body composed of a ceramic material; a first capacitor within the ceramic body; a first conductive trace; and a second conductive trace, the first capacitor including: one or more ceramic dielectric layers; two or more metallic electrodes; a first metallic terminal; and a second metallic terminal, the metallic electrodes alternating with the ceramic dielectric layers, the metallic electrodes begin connected alternately to: the first metallic terminal; and the second metallic terminal, the first metallic terminal being connected to the first conductive trace, the second metallic terminal being connected to the second conductive trace, the first capacitor having a volume of at most 10% of a volume of the ceramic body.

Power converter (1) with: a switching circuit (20); a capacitor module (3) which is electrically connected to the switching circuit; an auxiliary capacitor module (5) connected in parallel to the capacitor module; and a device housing (12) which contains the switching circuit, the capacitor module and the auxiliary capacitor module, wherein The capacitor module includes: a capacitor element (31), a capacitor housing (32) that contains the capacitor element, an encapsulation resin (33) that encapsulates the capacitor element in the capacitor housing, and a capacitor busbar (4) which connects the capacitor element to a power terminal of the switching circuit, wherein the capacitor busbar includes: an element connection section (41) that is connected to the capacitor element within the encapsulation resin, a connecting section (42) which is connected to the power connection outside the encapsulation resin, and a power supply connection section (43) which is connected to a power supply wiring (54) outside the encapsulation resin, wherein the power supply wiring is electrically connected to a DC power supply, wherein the capacitor busbar includes a DC path (44) which represents a current path between the terminal connection section and the power supply connection section, and the DC path is exposed to the outside of the encapsulation resin, the auxiliary capacitor module is connected to the power supply connection section of the capacitor busbar, the auxiliary capacitor module is detachably attached to the power supply connection section by means of a fastening element (11), and a fastening direction of a fastening element (135) that secures the auxiliary capacitor module and a fastening direction of the fixing element are the same.

The application relates to the technical field of capacitors, and discloses a multilayer ceramic capacitor and a preparation method thereof. The multilayer ceramic capacitor comprises a ceramic body and two end electrodes arranged on two end surfaces of the ceramic body respectively, the end electrodes extend to the outer circumferential surface of the ceramic body, the ends of the two end electrodes are arranged oppositely and have a distance therebetween, an insulating layer is arranged on the end electrodes, a conductive layer is coated on the insulating layer, the conductive layer covers the insulating layer and extends to the end electrodes, and the end portions of the end electrodes are exposed to the conductive layer. The application can realize automatic electrical performance sorting, the connection area of the multilayer ceramic capacitor and the circuit board is small, the distance between the two welding points is small, the piezoelectric vibration of the multilayer ceramic capacitor is effectively inhibited from being transmitted to the circuit board, the ringing noise of the circuit board is reduced, the plating solution penetration path is long, the plating solution cannot reach the inner electrode, and the insulation resistance is not reduced.

A capacitor includes a capacitor element, a first bus bar and a second bus bar connected to the capacitor element, an insulating member disposed between the first bus bar and the second bus bar, a case that houses the capacitor element, and a filling resin filled in the case. A part of each of the first bus bar, the second bus bar, and the insulating member is exposed from the filling resin. The insulating member has a first opposing surface that opposes the first bus bar with a gap therebetween, and a first protrusion portion that contacts the first bus bar.

A multilayer electronic component according to an example embodiment of the present disclosure may include: a body including a dielectric layer and internal electrodes alternately disposed with the dielectric layer in a first direction, and including first and second surfaces opposing each other in the first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction; a protrusion portion disposed on the first and second surfaces; and an external electrode disposed on the third and fourth surfaces, wherein a width of the body in the third direction is W and a width of the protrusion portion in the third direction is W1, W1 / W may be 0.5 or more and 0.85 or less.

A multilayer ceramic capacitor includes a multilayer body and three or more external electrodes. A first internal electrode layer includes a first counter electrode portion, a first extension portion, and a second extension portion. The first counter electrode portion includes a first central region, a first connection region connected to the first extension portion, and a second connection region connected to the second extension portion. Coverages of the first and second connection regions with respect to the dielectric layers are higher than a coverage of the first central region with respect to the dielectric layers, and coverages of the first and second extension portions with respect to the dielectric layers are higher than the coverage of the first central region with respect to the dielectric layers.

This invention provides a bottom-electrode type multilayer ceramic capacitor that increases capacitance even in confined spaces. [Solution] The multilayer ceramic capacitor 10 comprises a laminate 12 having first and second surfaces 12a and 12b opposite to the lamination direction x, third and fourth surfaces 12c and 12d opposite to a first direction y perpendicular to the lamination direction, and fifth and sixth surfaces 12e and 12f opposite to a second direction perpendicular to the lamination direction and the first direction, first to third external electrodes 30a to 30c extending in the lamination direction of the fifth surface, a plurality of dielectric layers and internal electrode layers. The internal electrode layers include a first internal electrode layer 16a connected to the first external electrode and a second internal electrode layer 16b connected to the second and third external electrodes. The first internal electrode layer includes a first main part and a first lead portion projecting toward the first external electrode, and the second internal electrode layer includes a second main part and second and third lead portions projecting toward the second and third external electrodes, respectively.

Provided are multilayer ceramic capacitors that are each able to increase the capacitance without increasing the size of the multilayer ceramic capacitor. A multilayer ceramic capacitor 1 includes a first counter portion EA including a first region EA1, a second region EA2, and a first middle region EA0 located between the first region EA1 and the second region EA2 and including coverage higher than coverages of them; a second counter portion EB including a third region EB1, a fourth region EB2, and a second middle region located between the third region EB1 and the fourth region EB2 and including coverage higher than coverage of them. A thickness of each of the first middle region EA0 and the second middle region EB0 is 101.6% or more and 111.3% or less of a thickness of each of the first region E1, the second region EA2, the third region EB1, and the fourth region EB2, and a difference between coverage of each of the first middle region EA0 and the second middle region EB0 and coverage of each of the first region EA1, the second region EA2, the third region EB1, and the fourth region EB2 is 2.2 percentage points or more.

By improving the conductivity efficiency, the temperature rise at the crimped portion is suppressed, providing an electrolytic capacitor with excellent reliability, and a method for manufacturing an electrolytic capacitor. [Solution] The electrolytic capacitor according to the present invention comprises an anode foil, a cathode foil, a separator, and lead terminals connected to the anode foil and the cathode foil, respectively. The lead terminal consists of a terminal portion, a lead wire, and a connection portion. The terminal portion has at least two crimped connection portions, which are perforated in a state where it is superimposed on the anode foil or the cathode foil, bent toward the anode foil or the cathode foil, and press-connected. The diameter of the press-connected crimped bent portion of the first crimped connection portion on the lead wire side of the terminal portion is larger than the diameter of the bent portion of the second crimped connection portion. The ratio of the diameter of the bent portion of the first crimped connection portion to the crimping distance between the first crimped connection portion and the second crimped connection portion is 1:0.9 to 1:1.3.

The disclosure provides a multilayer ceramic electronic component including: a ceramic main body including a capacitance forming part, an edge part, and a cover part, the capacitance forming part including a dielectric layer, a first internal electrode, and a second internal electrode, the first and second internal electrodes being disposed to be stacked in a third direction with the dielectric layer interposed therebetween, the edge part being disposed on both surfaces of the capacitance forming part in a second direction, the cover part being disposed on both surfaces of the capacitance forming part in the third direction; first and second external electrodes disposed on first and second surfaces of the ceramic main body opposite to each other in a first direction, respectively; and an auxiliary electrode spaced apart from the capacitance forming part and disposed to be in contact with one of the first and second external electrodes. The auxiliary electrode is spaced apart from the first and second surfaces of the ceramic main body in the first direction.

A capacitor assembly is assembled on a system substrate. The capacitor assembly includes a capacitor, a first conductive plate, an insulating plate, and a second conductive plate, which are stacked sequentially. The capacitor includes a first lead and a second lead, which are electrically connected to the first conductive plate and the second conductive plate, respectively. The first conductive plate includes a first insertion portion, and the second conductive plate includes a second insertion portion. The capacitor assembly is inserted into the system substrate through the first and second insertion portions, thereby electrically connecting the entire capacitor assembly to the system substrate. The material properties of the first and second conductive plates reduce conductivity and improve thermal conductivity, further enhancing the utilization rate of the capacitor within the capacitor assembly's area.

The invention relates to the technical field of thin-film capacitors, in particular to a standardized and modularized thin-film direct-current support capacitor which can reduce design complexity and cost budget, is convenient to combine and expand, can operate in a high-temperature environment and is high in applicability, and the standardized and modularized thin-film direct-current support capacitor comprises a capacitor unit and a busbar. Each capacitor unit comprises a capacitor shell and a core arranged in the capacitor shell, clamping groove structures matched with each other are arranged on two sides of the outer wall of the capacitor shell, a positioning groove is formed in the inner wall of the capacitor shell, and a lead-out pin of the capacitor unit penetrates through the positioning groove; the film base film of the core is formed by mixing and co-extruding 70%-80% of polypropylene and 20%-30% of cycloolefin copolymer.

A multilayer ceramic capacitor includes a multilayer body including dielectric layers, inner electrode layers on the dielectric layers, first through sixth surfaces, a first inner electrode layer on the dielectric layers and extended to the third and fourth surfaces, a second inner electrode layer on the dielectric layers and extended to the fifth and sixth surfaces, a first outer electrode on the third surface and connected to the first inner electrode layer, a second outer electrode on the fourth surface and connected to the first inner electrode layer, a third outer electrode on the fifth surface and connected to the second inner electrode layer, and a fourth outer electrode on the sixth surface and connected to the second inner electrode layer. The first outer electrode includes a first turn-up portion and the second outer electrode includes a second turn-up portion, each covering portions of the fifth and sixth surfaces.

Provided is a capacitor that is lightweight yet can reduce moisture absorption. The capacitor comprises a capacitor element and a protective film. The capacitor element has a first end-face electrode, a second end-face electrode, and an outer peripheral surface. The second end-face electrode exists at the side opposite to the first end-face electrode. The outer peripheral surface exists between the first end-face electrode and the second end-face electrode. The protective film has a first protective part, a second protective part, and a third protective part. The first protective part protects the peripheral edge part of the first end-face electrode. The second protective part protects the peripheral edge part of the second end-face electrode. The third protective part is connected to the first protective part and the second protective part, and protects the outer peripheral surface.

A device according to some embodiments includes a first IPD die including a first SiC substrate. The first IPD die has a first surface and a second surface on the first SiC substrate opposite the first surface and includes a first contact and at least one first metal portion on the respective surfaces of the first SiC substrate. The device further includes a second IPD die including a second SiC substrate. The second IPD die has a third surface and a fourth surface on the second SiC substrate opposite the third surface and includes a second contact and at least one second metal portion on the respective surfaces of the second SiC substrate. The device further includes an electrical interconnection structure between one of the first and second surfaces of the first IPD die and one of the third and fourth surfaces of the second IPD die.

To provide a solid electrolytic capacitor having high reliability and high productivity by maintaining high airtightness while maintaining excellent electrical characteristics and a manufacturing method of the same.SOLUTION: A solid electrolytic capacitor comprises: a capacitor element 1 which has an anode body 2, a dielectric oxide covering layer 3 covering the anode body 2, and a cathode body 6 formed on the dielectric oxide covering layer 3 so as to be insulated from the anode body 2; an exterior body 10 which covers the capacitor element 1; a contact layer 11 which is formed in an anode terminal part 9 being an end of the anode body 2 and has a surface 11S with prescribed surface roughness; and an anode side electrode layer (12) which covers the surface 11S.SELECTED DRAWING: Figure 2

A multilayer ceramic capacitor includes a multilayer body including first to sixth surfaces, a first outer electrode on the first surface and the third surface, a second outer electrode on the first surface and the fourth surface, a third outer electrode on the first surface and the third surface, and a fourth outer electrode on the first surface and the fourth surface. The multilayer body includes first and second outer electrodes. The first outer electrode includes a first base layer connected to the first inner electrode, a first thin film layer on the first surface, a first upper plating layer, and a first recess located on an inner side of the multilayer body and having a dimension in a second direction longer than a dimension in a first direction.

In one embodiment, an electronic device is disclosed, comprising a substrate, a core having an upper plane and a lower plane, the core including a cavity extending through the core; an electronic component at least partially disposed within the cavity, the electronic component having an upper plane with one or more electronic component terminals; a first cured resin layer, the first cured resin layer in which the upper plane of the electronic component is at least partially embedded in the first cured resin layer in at least the upper portion of the cavity; and an upper metallization structure disposed on the upper plane of the core, the upper metallization structure configured to provide one or more conductive paths from one or more electronic component terminals to one or more upper metal terminals of the upper metallization structure.

By preventing burnt, cracked, or short-circuited electronic components from occurring in high-voltage environments, this invention provides multilayer electronic components with excellent voltage resistance and reliability. [Solution] The multilayer ceramic capacitor, which is a multilayer electronic component, includes a body containing a first dielectric layer 111a, a second dielectric layer 111b, and internal electrodes 121, 122, and external electrodes 131, 132 disposed on the body. The first dielectric layer mainly contains a BaTiO3-based material, and the second dielectric layer has a different main component from the first dielectric layer (α β Γ δ )Ti x O y The substance contains (β≧0, δ≧0, x>0, y>0) as its main component, where α is one or more of Ba, Er, Ca, and Sr, and Γ is one or more of Nb, Mg, Ta, In, Mn, Hf, Zr, and Al.

A multilayer ceramic capacitor includes a multilayer body including an active portion and inactive portions, side margin portions, a first terminal electrode, and a second terminal electrode. The side margin portions include a first segregate including silicon as a main ingredient and having a longest dimension of about 10 nm or greater and about 50 nm or smaller, and second segregates including silicon as a main ingredient and having a longest dimension of about 1 μm or greater.