EE22 50Hz Ferrite Core Toroidal Power Transformer Single Phase for Switching Power Supply PCB Applications Product Overview The EE22 50Hz Ferrite Core Toroidal Power Transformer is engineered for single-phase power conversion, isolation, and voltage step-up or step-down applications in switching power supplies and PCB-based electronic equipment. Featuring a ferrite core structure, this transformer delivers stable magnetic performance and reliable power transmission for