WIRE-WOUND COIL COMPONENT

PROBLEM TO BE SOLVED: To reduce a stray capacitance difference formed between a mounting substrate and each of first and second wires twisted together in a common mode choke coil in which the first and second wires are wound.SOLUTION: In a stranded state of the first and second wires 3 and 4 as view...

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Bibliographic Details
Main Authors HASHIMOTO RYOTA, TEI HIROYUKI, KOBAYASHI KOHEI, YAMAGUCHI CHIHIRO
Format Patent
LanguageEnglish
Japanese
Published 21.06.2018
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary:PROBLEM TO BE SOLVED: To reduce a stray capacitance difference formed between a mounting substrate and each of first and second wires twisted together in a common mode choke coil in which the first and second wires are wound.SOLUTION: In a stranded state of the first and second wires 3 and 4 as viewed from a mounting board side, the position 18 where the first wire 3 and the second wire 4 are interchanged is shifted in the same circumferential direction of a winding core portion 5 between adjacent turns. Thereby, it is possible to prevent a wire closer to a mounting substrate, that is, a wire that forms a larger stray capacitance from deviating to one of the first and second wires 3 and 4.SELECTED DRAWING: Figure 3 【課題】互いに撚り合わされた第１および第２のワイヤが巻回されたコモンモードチョークコイルにおいて、良好なモード変換特性を得るため、実装基板と第１および第２のワイヤの各々との間に形成される浮遊容量差を小さくする。【解決手段】実装基板側から見た第１および第２のワイヤ３および４の撚線状態において、第１のワイヤ３と第２のワイヤ４とが入れ替わる位置１８が、隣り合うターン間で、巻芯部５の同一周方向にずらされている。これにより、実装基板により近いワイヤ、すなわち、より大きな浮遊容量を形成するワイヤが第１および第２のワイヤ３および４のいずれか一方に片寄ることを防止することができる。【選択図】図３
Bibliography:Application Number: JP20160238564