Patent ID: 7345564

Claim:
A transformer structure comprising: a main body having a first side, a second side, at least a through hole, a first receiving chamber communicating with said first side, a second receiving chamber communicating with said second side, and a separating wall disposed between said first receiving chamber and said second receiving chamber; a primary winding coil; a secondary winding coil; a first winding portion for winding said primary winding coil thereon, said first winding portion being disposed in said first receiving chamber and having a first channel communicating with said through hole; a second winding portion for winding said secondary winding coil thereon, said second winding portion being disposed in said second receiving chamber and having a second channel communicating with said through hole; and a magnetic core assembly partially disposed in said through hole of said main body, said first channel of said first winding portion and said second channel of said second winding portion.