... power supply transformer ISO certficated factory -provide free samples EI type high frequency transformer/Switching power supply transformerKey Specifications/Special ... E, F, typeType: horizontal type (H), vertical type (V)EI-14: terminal pins=6, A=12, B=13, C=10 ... =4 +/-0.5, E=5, F=28, Type=VEI-30: terminal pins=10, A=26, B=21.6, C= ... +/-0.5, D=4 +/-0.5, E=5, F=30, Type=VEI-33: terminal pins=12, A=31.5, ...