Patent ID: 8159323
Filing Date: 2012-04-17
Classification: H01F

Abstract:
1. A transformer comprising: a first bobbin having a first primary winding and a first secondary winding wound around a first through hole: a second bobbin having a second primary winding and a second secondary winding wound around a second through hole; and two divided magnetic cores inserted into the first through hole and the second through hole, wherein each of the divided magnetic core includes: a center magnetic leg formed from a vertical wall for shielding vertically linked to a rear magnetic plate and a side wall vertically linked to the rear magnetic plate, wherein the vertical wall for shielding and the side wall are formed contiguously to each other, and wherein a cross section thereof is T-shaped; a first outer magnetic leg placed at one side separated by the vertical wall; and a second outer magnetic leg placed at an other side separated by the vertical wall, wherein the first outer magnetic legs are inserted from both sides of the first through hole and butt-joined together, wherein the second outer magnetic legs are inserted from both sides of the second through hole and butt-joined together, and wherein the center magnetic legs are butt-joined together.