| 摘要 |
PROBLEM TO BE SOLVED: To provide a small choke coil having a satisfactory noise removing performance. SOLUTION: A primary winding section Laa of a coil La is wound between a brim 21a and a diving brim 21c of a bobbin 21, and a primary winding section Lba of a coil Lb is wound between a brim 21b and a dividing brim 21c of the bobbin 21. Primary winding sections Laa and Lba are wound in multilayers, mutually having the same number of turns. A secondary winding section Lab of the coil La, however, is wound between a brim 22a and a dividing brim 22c of a bobbin 22, and a secondary winding section Lbb of the coil Lb is wound between a brim 22b and the dividing brim 22c of the bobbin 22. The secondary winding wire sections Lab and Lbb are wound into a monolayer, mutually having the same number of turns.
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