WE-OLEFD Offline Transformer
| Size | Dimensions | 3D | L (mm) | W (mm) | H (mm) | Mount | |
|---|---|---|---|---|---|---|---|
EFD20 THT | 21.5 | 29 | 12 | THT | |||
EFD20 SMT | 21.5 | 33.8 | 12 | SMT | |||
EFD25 THT | 26.3 | 33 | - | THT |
LTSpice files
Characteristics
- Universal input voltage from 85VAC up to 265VAC
- Switching frequency: 68kHz to 250kHz
- Low Profile
- Insulation test voltage: 4500VAC
- Operating temp: -40°C to +125°C
- Designed for IEC61558-2-16 reinforced 400VDC working voltage
Applications
- SMPS with power up to 34W
- Auxiliary power supplies
- Power electronics
- White goods
- LED lighting
Products
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EFD20 THT
EFD20 SMT
EFD25 THT
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Reset allOrder Code | Datasheet | Simulation | Downloads | Status | VIN | VOut1(V) | IOut1(A) | VOut2(V) | IOut2(A) | VOut3(V) | IOut3(A) | Vaux(V) | Vaux 2(V) | Vaux 1(V) | fswitch(kHz) | L(µH) | NPRI : NSEC : NAUX | ISAT(A) | VT(V (AC)) | L(mm) | W(mm) | H(mm) | Mount | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750811612 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11.3 A | Output Voltage 25 V | Output Current 21.3 A | – | – | Auxiliary Voltage20 V | – | – | Switching Frequency 68 - 110 | Inductance800 µH | Turns Ratio5.26:0.26:0.26:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width29 mm | Height12 mm | MountTHT | SizeEFD20 | |||
| 7508116313 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 112 V | Output Current 10.85 A | Output Voltage 212 V | Output Current 20.85 A | – | – | Auxiliary Voltage20 V | – | – | Switching Frequency 68 - 110 | Inductance800 µH | Turns Ratio9.09:0.27:1.18:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width29 mm | Height12 mm | MountTHT | SizeEFD20 | |||
| 750811644 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 124 V | Output Current 10.4 A | Output Voltage 224 V | Output Current 20.4 A | – | – | Auxiliary Voltage20 V | – | – | Switching Frequency 68 - 150 | Inductance800 µH | Turns Ratio11.11:1.88:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width29 mm | Height12 mm | MountTHT | SizeEFD20 | |||
| 7508112330 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 116 V | Output Current 11.15 A | – | – | – | – | Auxiliary Voltage20 V | – | – | Switching Frequency 68 - 130 | Inductance800 µH | Turns Ratio8.333:1:1.25 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width29 mm | Height12 mm | MountTHT | SizeEFD20 | |||
| 7508112512 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 132 V | Output Current 10.75 A | – | – | – | – | Auxiliary Voltage20 V | – | – | Switching Frequency 68 - 170 | Inductance800 µH | Turns Ratio11.11:1.55:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width29 mm | Height12 mm | MountTHT | SizeEFD20 | |||
| 7508112513 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 140 V | Output Current 10.58 A | – | – | – | – | Auxiliary Voltage20 V | – | – | Switching Frequency 68 - 180 | Inductance800 µH | Turns Ratio6.66:0.8:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width29 mm | Height12 mm | MountTHT | SizeEFD20 | |||
| 750811613 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11.8 A | Output Voltage 212 V | Output Current 20.9 A | – | – | Auxiliary Voltage20 V | – | – | Switching Frequency 68 - 170 | Inductance800 µH | Turns Ratio6.66:0.6:0.6:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width29 mm | Height12 mm | MountTHT | SizeEFD20 | |||
| 750811614 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11.2 A | Output Voltage 224 V | Output Current 20.62 A | – | – | Auxiliary Voltage20 V | – | – | Switching Frequency 68 - 220 | Inductance800 µH | Turns Ratio8.33:1.16:1.16:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width29 mm | Height12 mm | MountTHT | SizeEFD20 | |||
 | 750811611 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 12 A | Output Voltage 25 V | Output Current 22 A | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 100 | Inductance800 µH | Turns Ratio20 : 0.833 : 0.833 : 2.16 : 1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width33.8 mm | Height12 mm | MountSMT | SizeEFD20 | |||
| 7508116312 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 112 V | Output Current 11 A | Output Voltage 212 V | Output Current 21 A | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 120 | Inductance800 µH | Turns Ratio20:1.8:1.8:2.2:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width33.8 mm | Height12 mm | MountSMT | SizeEFD20 | |||
| 750811643 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 124 V | Output Current 10.5 A | Output Voltage 224 V | Output Current 20.5 A | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 120 | Inductance800 µH | Turns Ratio20:3.6:3.6:2.2:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width33.8 mm | Height12 mm | MountSMT | SizeEFD20 | |||
| 7508112327 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 116 V | Output Current 11.3 A | – | – | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 130 | Inductance800 µH | Turns Ratio20:2.4:2.2:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width33.8 mm | Height12 mm | MountSMT | SizeEFD20 | |||
| 7508112510 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 132 V | Output Current 10.75 A | – | – | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 120 | Inductance800 µH | Turns Ratio20:4.8:2.2:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width33.8 mm | Height12 mm | MountSMT | SizeEFD20 | |||
| 7508112511 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 140 V | Output Current 10.6 A | – | – | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 120 | Inductance800 µH | Turns Ratio20:6:2.2:1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width33.8 mm | Height12 mm | MountSMT | SizeEFD20 | |||
| 750811913 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11.25 A | Output Voltage 25 V | Output Current 21.25 A | Output Voltage 37 V | Output Current 31.1 A | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 130 | Inductance800 µH | Turns Ratio16.66 : 0.833 : 0.833 : 1.166 : 2.166 : 1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width33.8 mm | Height12 mm | MountSMT | SizeEFD20 | |||
| 750811914 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11.3 A | Output Voltage 25 V | Output Current 21.3 A | Output Voltage 319 V | Output Current 30.5 A | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 140 | Inductance800 µH | Turns Ratio20 : 0.8 : 0.8 : 2.8 : 2.2 : 1 | Saturation Current1.4 A | Insulation Test Voltage4500 V (AC) | Length21.5 mm | Width33.8 mm | Height12 mm | MountSMT | SizeEFD20 | |||
 | 750811512 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11.575 A | Output Voltage 25 V | Output Current 21.575 A | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 120 | Inductance770 µH | Turns Ratio20:1:1:2.75:1.25 | Saturation Current2 A | Insulation Test Voltage4500 V (AC) | Length26.3 mm | Width33 mm | Height14.81 mm | MountTHT | SizeEFD25 | |||
| 7508116314 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 112 V | Output Current 11.3 A | Output Voltage 212 V | Output Current 21.3 A | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 100 | Inductance450 µH | Turns Ratio16.66:2:2.33:1 | Saturation Current2.1 A | Insulation Test Voltage4500 V (AC) | Length26.3 mm | Width33 mm | Height14.81 mm | MountTHT | SizeEFD25 | |||
| 750811645 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 124 V | Output Current 10.71 A | Output Voltage 224 V | Output Current 20.71 A | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 100 | Inductance470 µH | Turns Ratio16.66:4:4:2.33:1 | Saturation Current2 A | Insulation Test Voltage4500 V (AC) | Length26.3 mm | Width33 mm | Height14.48 mm | MountTHT | SizeEFD25 | |||
| 7508112334 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 116 V | Output Current 11.64 A | – | – | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 110 | Inductance414 µH | Turns Ratio16:2.33:2:1 | Saturation Current2.2 A | Insulation Test Voltage4500 V (AC) | Length26.3 mm | Width33 mm | Height14.81 mm | MountTHT | SizeEFD25 | |||
| 7508112514 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 132 V | Output Current 11 A | – | – | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 110 | Inductance460 µH | Turns Ratio16:4.66:2:1 | Saturation Current1.9 A | Insulation Test Voltage4500 V (AC) | Length26.3 mm | Width33 mm | Height14.81 mm | MountTHT | SizeEFD25 | |||
| 7508112515 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 140 V | Output Current 10.8 A | – | – | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 105 | Inductance500 µH | Turns Ratio16.66:6.33:2.33:1 | Saturation Current1.9 A | Insulation Test Voltage4500 V (AC) | Length26.3 mm | Width33 mm | Height14.81 mm | MountTHT | SizeEFD25 | |||
| 750811616 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11.7 A | Output Voltage 212 V | Output Current 22 A | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 250 | Inductance468 µH | Turns Ratio20:1:2.33:2.66:1.33 | Saturation Current2.5 A | Insulation Test Voltage4500 V (AC) | Length26.3 mm | Width33 mm | Height14.81 mm | MountTHT | SizeEFD25 | |||
| 750811617 | SPEC | Status Activei| Production is active. Expected lifetime: >10 years. | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11.1 A | Output Voltage 224 V | Output Current 20.6 A | – | – | Auxiliary Voltage20 V | Auxiliary Voltage 214 V | Auxiliary Voltage 16 V | Switching Frequency 68 - 170 | Inductance793 µH | Turns Ratio20:4.5:1:2.75:1.25 | Saturation Current2 A | Insulation Test Voltage4500 V (AC) | Length26.3 mm | Width33 mm | Height14.81 mm | MountTHT | SizeEFD25 |