EFD Transformer
High Frequency Transformers in Power Supply Application
Application:
VCR, Duplicator, Audio Device, Electronic Toy, TV, Micro-computer, Communication Control Device, Printer, Lighting Electrical Applicance, Terminal Equipment, etc.
Transformer EL Feature:
Application:
VCR, Duplicator, Audio Device, Electronic Toy, TV, Micro-computer, Communication Control Device, Printer, Lighting Electrical Applicance, Terminal Equipment, etc.
Transformer EL 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 Megnetic 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℃).
- RoHS/UL recognized components.
- Available in custom-mode models and specification.
| Type | 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 |
| EFD-15SMD | 16.5 | 8 | 22.0 | 15 | 2.5 | 5 | 5 | 2 |
| EFD-20SMD | 22.0 | 11 | 29.5 | 20.5 | 5.0 | 4 | 4 | 2 |
