Patent ID: 9646760
Date: 2017-05-09
CPC Classifications: H01F

Claim:
1. A common mode choke coil, comprising: a plurality of coil portions wherein pairs of coil portions connected in series to each other are respectively provided in a plurality of transmission lines connecting a power source and a load, the plurality of coil portions being disposed along one plane, wherein each of the pairs of coil portions are disposed in diagonally opposite positions with an origin of a two-dimensional coordinate system being set as a center, and are housed in a shared bobbin formed extending across the diagonally opposite positions, the bobbin includes a pair of rectangular cylindrical case portions that house the pair of coil portions, a coupling portion that diagonally couples the pair of case portions and that extends to a middle in a height direction of the case portions, and a recess portion that is continuous with the coupling portion and that is formed between corners of the case portions that are adjacent to each other, and a plurality of the bobbins are coupled by fitting the coupling portion of one of the bobbins to the recess portion of the other bobbin.