High Voltage Transformer (EFD Core)

High Voltage Transformer (EFD Core)

Southern Group produced EFD transformer adopts flat typeferrite core. It has features of low magnetic leakage, low loss, wide workingfrequency, strong anti-interference ability, etc. So it is widely used inswitching power supply, LED power supply, adapter, chargerand so on.

Parameters
Type Pin Number Dimensions (mm) Fig
A B C D E
EFD-12 4+4 6 17 20 3.0 13.5 2
EFD-15 5+5 7.3 18.2 21.35 2.5 15 1
EFD-15 5+5 7.5 19.3 22.6 3.0 16.7 2
EFD-20 5+5 9.4 25.3 27.7 3.75 21.7 2
EFD-20 6+6 9.7 24 26.8 3 20 1
EFD-25 5+5 13.4 29.7 35.4 5 25 2
EFD-25 5+5 12.6 29.7 31.5 5 25 1
EFD-30 6+6 12.6 31.6 35.3 5 30 2
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