Wire-wound inductor component
An inductor, wire-wound technology, applied in the direction of inductors, fixed inductors, transformer/inductor components, etc., can solve problems such as cracking of cover parts
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no. 1 approach ＞
[0019] First, a first embodiment of a wire-wound inductor component will be described.
[0020] like figure 1 As shown, in the wire-wound inductor component 10 , the core body 20 includes a winding core portion 30 in the shape of a regular square prism, and a pair of flange portions 40 connected to both ends of the winding core portion 30 in the direction of the central axis CA. The material of the core body 20 is a magnetic material such as nickel-zinc ferrite. The core body 20 is a sintered body formed by firing a molded body obtained by compressing the above-mentioned powdery magnetic body.
[0021] In the following description, a line passing through the center of the core portion 30 toward the extending direction of the core portion 30 is defined as the central axis CA, and the extending direction of the central axis CA is defined as the direction of the central axis CA. Moreover, let the direction of the central axis CA of the winding core part 30 be the longitudinal d...
no. 2 approach ＞
[0054] Hereinafter, a second embodiment of a wire-wound inductor component will be described. In the wire-wound inductor component 110 of the second embodiment, the main difference from the first embodiment is the shape of the covered surface 146 of the flange portion 40 of the core body 20 . In addition, in the following description, the same code|symbol is attached|subjected to the same structure as 1st Embodiment, and description is abbreviate|omitted or simplified.
[0055] like Figure 5 As shown, the cover surface 146 of the first flange portion 40L includes a first inclined surface 146A, a flat surface 146B, and a second inclined surface 146C.
[0056] In a section along the height direction Td including the central axis CA of the wire wound inductor component 110 , a first inclined surface 146A is provided at an end of the covered surface 146 on the winding core 30 side in the longitudinal direction Ld. The end of the first inclined surface 146A on the winding core 3...
no. 3 approach ＞
[0067] Hereinafter, a third embodiment of a wire-wound inductor component will be described. In the wire wound inductor component 210 of the third embodiment, the main difference from the first embodiment is the shape of the flange portion 40 . In addition, in the following description, the same code|symbol is attached|subjected to the same structure as 1st Embodiment, and description is abbreviate|omitted or simplified.
[0068] like Image 6 As shown, the boundary portion between the upper end surface 41 and the inner surface 44 in the first flange portion 40L has an arc-shaped chamfered shape. The arc chamfer shape of the boundary portion between the upper end surface 41 and the inner surface 44 is the same as that of other surfaces, for example, the arc chamfer shape of the boundary portion between the upper end surface 41 and the outer surface 45 .
[0069] Hereinafter, the result of actually producing and evaluating the example of the wire-wound inductor component 210 ...
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Abstract
Description
Claims
Application Information
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