High Frequency Transformers
High Frequency Transformers


EFD Type High Frequency Transformers

G-CHEN Enterprise Co., Ltd. is a professional Transformers Manufacturer, providing EFD Type High Frequency Transformers with unique and stylish design.

DC filter inductor Application: switching power supplies, chargers, alarm system, TV and CRT monitor displays, UPS, VCD/DVD players, audio and visual equipment, OA machines, inverter.

EFD transformers have a good magnetic, low consume, get high function frequency, and high counteract for the obstruction.

  • Low Profile
  • Low Leakage inductance designs
  • IEC-spacing compatible
  • Through hole and surface mount available
  • High power Frequency (20~500KHz)
  • Low Distributed Capacitance
  • High inductance
  • High Power Output (1000W)
  • Customized specifications are welcome. Small, medium and high quantity is available
Note: Power and external dimensions of, the transformer may be designed to customers requirements
View More Details
EFD TYPE.pdf (6.6 MB)
Application Rang
It is common use on the Switching power supplies, fax machine, TV/monitor, insulation Trasformer, Matching Transformer used SPC exchanges terminal and high precision exctronic devices etc.
Part No. & Dimensions Line
Dimensions in mm (inches)
A B C ± 0.5 D ± 0.5 E F
EFD-15 8 8.5 16.2 13.7 4 3.75 15.5
EFD-20 8 12.0 20.5 17.5 4 5.0 20.3
EFD-25 10 15.8 26.5 22.5 4 5.0 25.3
EFD-30 12 13.3 31.0 27.5 4 5.0 30.3
Design As Customer's Requested Specifications
G-CHEN will also produce devices outside these specifications to meet specific customer requirements, please contact our sales for more information.