... led lighting,coil with led light,bobbin core coil,transformer coil former 1.features: EFDtransformer for LED driver,magnetic transformer for led ... Range,switching power supply, PCB, STB and other communication and medical equipments;EE,EI Type Transformer: Possessing ... quality.Application: Wave carrier filter, power-transfer transformer and aux-power transformer.ER Type TransformerFeature: Compact, ...