transformer for LED driver,transformers for fluorescent lights,mini led transformer,led transformer 110v 1.features: transformer bobbin,ETD ... switching power supply, PCB, STB and other communication and medical equipments;EE,EI Type Transformer: Possessing of high permeability, high saturation ... mode power: Dc-Dc,Ac-Dc, Ac-Ac2, Used in all circuits types: single-terminal backward start,single-terminal ...