Patent ID: 7268657
Filing Date: 2007-09-11
Classification: H01F

Abstract:
1. A coil component comprising: a closed magnetic circuit core having a pair of outer magnetic legs and a pair of back magnetic legs connected to the outer magnetic legs; a primary winding coiled on one outer magnetic leg; two secondary windings coiled on other outer magnetic leg; and terminals connecting the primary winding and the secondary windings, wherein the other outer magnetic leg is provided with a first gap portion at the one back magnetic leg side, one secondary winding is coiled between a central portion and end portion of the outer magnetic leg, while other secondary winding is coiled between the central portion of the outer magnetic leg and the first gap portion, and the one secondary winding and the other secondary winding are coiled in directions opposite to each other, and the one secondary winding has fewer windings than the other secondary winding.