Patent ID: 9053845
Filing Date: 2015-06-09
Classification: H01F,H02M,H05K,Y10T

Abstract:
1. A transformer for use with a printed circuit board having a plurality of through-holes defined therein, said transformer comprising: a first winding comprising at least one conductive trace at least partially surrounding a first through-hole in the printed circuit board; a magnetic core element comprising a top member, a bottom member, and first and second legs extending between said top and bottom members, said first leg extending through the first through-hole and said second leg extending through a second through-hole in the printed circuit board, said top and bottom members of said magnetic core element disposed on opposite sides of the printed circuit board; a second winding concentric with a portion of said magnetic core element and comprising a wire winding including a plurality of turns encircling said first leg of said magnetic core, wherein at least some of the turns of said second winding are disposed within the first through-hole; and first and second leads connected to respective ends of said second winding.