EI Type High frequency transformer EE40 High frequency transformer,Horizontal type features: We could make custom-design transformers ... RM10/RM12/RM14 series bobbins PQ1616 to PQ5050 series bobbins EFD15,EFD20,EFD25,EFD30 series bobbins EPC13,EPC19,EPC25,EPC30 series bobbins EP7,EP10 ... /POT3622 bobbins ER9.5/ER11/ER14.5 SMD series bobbins EI22 to EI50 series bobbins Toriod cores case and base holder ...