EDR bobbin coil for led lighting,coil with led light,bobbin core coil,transformer coil former 1.features: ... inductors, Molded Power Line Chokes, Inductors.EPC type transformer:Switching Transformer with 20 to 80kHz Frequency Range,switching power supply, ... it could be designed appropriate transformers.G Type TransformerFeature: Jar-shape with self-shielding compared with ring-shape one, the jar-shape ...