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High Frequency Transformers．Power Transformers ．Audio Transformers．Three Phase Transformers．Choke and Coils
．EMI / RFI Filter．Stick-type inductor．Vertical fixed inductor ．Toroidal transformers．Air Coils

 EFD - High Frequency Transformers in Power Supply Application

Application :
VCR, Duplicator, Audio Device, Electronic Toy, TV, Micro-computer, Communication Control Device,
Printer, Lighting Electrical Appliance, Terminal Equipment, etc
Transformer EFD Feature :
◆Operating Temperature Range：-10℃～+95℃
◆Storage Temperature：-15℃～38℃
◆Switching Frequency：15KHz~300KHz
◆Withstand Voltage: Between Primary and Secondary 3500VAC one minute 3500VAC　1min
　 　　　                       Between Primary and Magnetic Core 2500VAC one minute 2500VAC　1min
　 　　　                       Secondary and Magnetic Core 1500VAC　1min
◆Insulation Resistance: Between Primary and Secondary 500VDC 100MΩ min
◆Temperature Resistance Grade E(120℃)、B(130℃)
 
 
Tpye
 L
 H
 W
 A
 B
 Pin1
 Pin2 Fig.
   EFD 15
 17.0
 9.5
 18.0
 13.7
 3.7
 4
 4
 1
   EFD 20
 22.0
 11.5
 11.0
 17.5
 5.0
 4
 4
 1
   EFD 20-1
 22.0
 15
 15.0
 23.8
 3.7
 5
 5
 1
   EFD 25
 27.0
 13
 28.0
 22.5
 5.0
 5
 5
 1
   EFD 25-1
 27.0
 15
 28.0
 22.5
 5.0
 5
 5
 1
   EFD 30
 32.0
 14
 33.0
 27.4
 5.0
 6
 6
 1
   EFD 30-1
 32.0
 18
 36.0
 27.5
 5.0
 6
 6
 1
   EFD15SMD
 16.5
 8
 22.0
 15
 2.5
 5
 5
 2
   EFD20SMD
 22.0
 11
 29.5
 20.5
 5.0
 4
 4
 2
Available in custom-mode models and specification





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