WE-PoE Power over Ethernet Transformer
SizeDimen­sions3DL
(mm)
W
(mm)
H
(mm)
Mount
ER11/5
12.9 13 6.2 SMT
ER14.5/6
16.3 16.8 7.4 SMT
EFD15
17.5 22.1 8.3 SMT
EP10
- 15.24 11.43 SMT
EP13
- 17.75 - SMT
EFD20
- - - SMT
RM6
20.07 21.89 13.34 SMT
EP7
- - - SMT

Characteristics

  • Flyback transformer designed for PoE PDs
  • Input voltage: 36 V to 57 V
  • Switching frequencies: 200–500 kHz
  • Operating temperature: –40 ºC to +125 ºC
  • Isolation voltage: 1.5 kVAC/1 min
  • Different output powers and voltages available

Applications

  • PoE powered devices
  • IP Phones
  • WLAN Access Points
  • Access control terminals
  • Security cameras

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Products

All
ER11/5
ER14.5/6
EFD15
EP10
EP13
EFD20
RM6
EP7
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Data­sheet
Simu­lation
Downloads
Status
Version
VIN
VOut1(V)
IOut1(A)
VOut2(V)
IOut2(A)
VOut3(V)
IOut3(A)
L(µH)
n
VT(V (AC))
Size
Mount
Samples
WE-PoE Power over Ethernet Transformer
750344488
CCM Flyback, 9 - 60 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionCCM Flyback 
Input Voltage 9 - 60 V (DC)
Output Voltage 112 V
Output Current 12 A
Inductance14 µH
Turns Ratio1.33:1:1 
Insulation Test Voltage1500 V (AC)
SizeEFD20 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119133
Flyback, 36 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 13.3 V
Output Current 10.4 A
Output Voltage 23.3 V
Output Current 20.4 A
Output Voltage 33.3 V
Output Current 30.4 A
Inductance400 µH
Turns Ratio12:1:1:1:3 
Insulation Test Voltage1500 V (AC)
SizeER11/5 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119150
Flyback, 36 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 15 V
Output Current 10.27 A
Output Voltage 25 V
Output Current 20.27 A
Output Voltage 35 V
Output Current 30.27 A
Inductance400 µH
Turns Ratio7.2:1:1:1:1.8 
Insulation Test Voltage1500 V (AC)
SizeER11/5 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119218
Flyback, 36 - 57 V (DC), 1.8 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 11.8 V
Output Current 11.3 A
Output Voltage 21.8 V
Output Current 21.3 A
Output Voltage 31.8 V
Output Current 31.3 A
Inductance210 µH
Turns Ratio16.5:1:1:1:5.5 
Insulation Test Voltage1500 V (AC)
SizeER14.5/6 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119233
Flyback, 36 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 13.3 V
Output Current 10.7 A
Output Voltage 23.3 V
Output Current 21.4 A
Inductance210 µH
Turns Ratio12:1:1:3 
Insulation Test Voltage1500 V (AC)
SizeER14.5/6 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119250
Flyback, 36 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 15 V
Output Current 10.47 A
Output Voltage 25 V
Output Current 20.47 A
Output Voltage 35 V
Output Current 30.47 A
Inductance210 µH
Turns Ratio6:1:1:1:1.75 
Insulation Test Voltage1500 V (AC)
SizeER14.5/6 
MountSMT 
WE-PoE Power over Ethernet Transformer
7491192912
Flyback, 36 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 112 V
Output Current 10.58 A
Output Voltage 25 V
Output Current 21.4 A
Output Voltage 33.3 V
Output Current 32.1 A
Inductance210 µH
Turns Ratio12:1.5:1:3.5:5 
Insulation Test Voltage1500 V (AC)
SizeER14.5/6 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119318
Flyback, 36 - 57 V (DC), 1.8 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 11.8 V
Output Current 12.4 A
Output Voltage 21.8 V
Output Current 22.4 A
Output Voltage 31.8 V
Output Current 32.4 A
Inductance120 µH
Turns Ratio14:1:1:1:5.5 
Insulation Test Voltage1500 V (AC)
SizeEFD15 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119333
Flyback, 36 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 13.3 V
Output Current 11.35 A
Output Voltage 23.3 V
Output Current 21.35 A
Output Voltage 33.3 V
Output Current 31.35 A
Inductance120 µH
Turns Ratio12:1:1:1:3 
Insulation Test Voltage1500 V (AC)
SizeEFD15 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119350
Flyback, 36 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 15 V
Output Current 10.9 A
Output Voltage 25 V
Output Current 20.9 A
Output Voltage 35 V
Output Current 30.9 A
Inductance120 µH
Turns Ratio7.2:1:1:1:1.8 
Insulation Test Voltage1500 V (AC)
SizeEFD15 
MountSMT 
WE-PoE Power over Ethernet Transformer
7491193912
Flyback, 36 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 112 V
Output Current 11.2 A
Output Voltage 25 V
Output Current 22.8 A
Output Voltage 33.3 V
Output Current 34.3 A
Inductance120 µH
Turns Ratio15:1.5:1:3:5 
Insulation Test Voltage1500 V (AC)
SizeEFD15 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310062
Flyback, 36 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 15 V
Output Current 12 A
Inductance127 µH
Turns Ratio4:1 
Insulation Test Voltage1500 V (AC)
SizeEP10 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119933
Flyback, 36 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 13.3 V
Output Current 12 A
Output Voltage 23.3 V
Output Current 22 A
Inductance127 µH
Turns Ratio6:1:1:3 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
7491199331
Flyback, 36 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 13.3 V
Output Current 12 A
Output Voltage 23.3 V
Output Current 22 A
Inductance127 µH
Turns Ratio12:1:1:2.5 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
749119950
Flyback, 36 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 15 V
Output Current 11.3 A
Output Voltage 25 V
Output Current 21.3 A
Inductance127 µH
Turns Ratio4:1:1:2 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
7491199501
Flyback, 36 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 15 V
Output Current 11.3 A
Output Voltage 25 V
Output Current 21.3 A
Inductance127 µH
Turns Ratio8:1:1:1.67 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
7491199112
Flyback, 36 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 112 V
Output Current 10.55 A
Output Voltage 212 V
Output Current 20.55 A
Inductance127 µH
Turns Ratio2:1:1:1 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
7491199212
Flyback, 36 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 112 V
Output Current 10.55 A
Output Voltage 212 V
Output Current 20.55 A
Inductance127 µH
Turns Ratio4.8:1.4:1.4:1 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310013
Flyback, 36 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 15 V
Output Current 12.6 A
Inductance127 µH
Turns Ratio4:1 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
7491199332
Flyback, 36 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 13.3 V
Output Current 12 A
Output Voltage 25 V
Output Current 21 A
Output Voltage 35.5 V
Output Current 30.05 A
Inductance35 µH
Turns Ratio9:1:1.5:2.5:4.5 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
7491199312
Flyback, 36 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 112 V
Output Current 11.25 A
Inductance40 µH
Turns Ratio1:1 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310002
Flyback, 20 - 72 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 20 - 72 V (DC)
Output Voltage 15 V
Output Current 14 A
Inductance28 µH
Turns Ratio3.5:1:2.75 
Insulation Test Voltage1500 V (AC)
SizeEFD20 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310027
Flyback, 9 - 50 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 9 - 50 V (DC)
Output Voltage 13.3 V
Output Current 13 A
Inductance20.4 µH
Turns Ratio4.5:1:2.5 
Insulation Test Voltage1500 V (AC)
SizeEP10 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310031
Flyback, 33 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 33 - 57 V (DC)
Output Voltage 112 V
Output Current 10.58 A
Inductance264 µH
Turns Ratio3.5:1:0.71 
Insulation Test Voltage1500 V (AC)
SizeEP10 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310032
Flyback, 33 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 33 - 57 V (DC)
Output Voltage 112 V
Output Current 10.58 A
Inductance155 µH
Turns Ratio1.47:1:1 
Insulation Test Voltage1500 V (AC)
SizeEP10 
MountSMT 
WE-PoE Power over Ethernet Transformer
750032173
Flyback, 33 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 33 - 57 V (DC)
Output Voltage 112 V
Output Current 11.125 A
Inductance127 µH
Turns Ratio3.42:1:0.71 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750032395
Flyback, 13 - 59 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 13 - 59 V (DC)
Output Voltage 15 V
Output Current 10.5 A
Output Voltage 23.3 V
Output Current 23.2 A
Inductance37 µH
Turns Ratio10.5:1:2:5.5 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310007
Flyback, 35 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 35 - 57 V (DC)
Output Voltage 13.3 V
Output Current 12.5 A
Output Voltage 212 V
Output Current 20.33 A
Inductance127 µH
Turns Ratio6:1:3.4:3.4 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310035
Flyback, 33 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 33 - 57 V (DC)
Output Voltage 15 V
Output Current 12.7 A
Inductance77.4 µH
Turns Ratio3.67:1:2.5 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310310
Flyback, 13 - 59 V (DC), 6.6 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 13 - 59 V (DC)
Output Voltage 16.6 V
Output Current 10.2 A
Output Voltage 23.3 V
Output Current 22.5 A
Inductance37 µH
Turns Ratio5.25:1:1:2.75 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310377
Flyback, 36 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 112 V
Output Current 11.08 A
Inductance127 µH
Turns Ratio2:1:1:1 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310018
Flyback, 33 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 33 - 57 V (DC)
Output Voltage 13.3 V
Output Current 10.91 A
Inductance500 µH
Turns Ratio12:1:2.5 
Insulation Test Voltage1500 V (AC)
SizeEP7 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310019
Flyback, 36 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 13.3 V
Output Current 10.91 A
Inductance310 µH
Turns Ratio5.5:1:1:3.75 
Insulation Test Voltage1500 V (AC)
SizeEP7 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310020
Flyback, 33 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 33 - 57 V (DC)
Output Voltage 15 V
Output Current 10.6 A
Output Current 20.02 A
Inductance500 µH
Turns Ratio8:1:1.66 
Insulation Test Voltage1500 V (AC)
SizeEP7 
MountSMT 
WE-PoE Power over Ethernet Transformer
750310022
Flyback, 33 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 33 - 57 V (DC)
Output Voltage 112 V
Output Current 10.25 A
Inductance521 µH
Turns Ratio3.5:1:0.71 
Insulation Test Voltage1500 V (AC)
SizeEP7 
MountSMT 
WE-PoE Power over Ethernet Transformer
750314433
Flyback, 36 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 15 V
Output Current 12 A
Output Voltage 25 V
Inductance180 µH
Turns Ratio6:1:1:2.17 
Insulation Test Voltage1500 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750313082
Flyback, 40 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 40 - 57 V (DC)
Output Voltage 15 V
Output Current 14.6 A
Inductance37 µH
Turns Ratio4.5:1:2.5 
Insulation Test Voltage2400 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750313109
Flyback, 36 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 36 - 57 V (DC)
Output Voltage 15 V
Output Current 12.3 A
Inductance44 µH
Turns Ratio4:1:1:2.5 
Insulation Test Voltage2400 V (AC)
SizeEP7 
MountSMT 
WE-PoE Power over Ethernet Transformer
750314782
Flyback, 40 - 57 V (DC), 24 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 40 - 57 V (DC)
Output Voltage 124 V
Output Current 11 A
Inductance37 µH
Turns Ratio1:1:0.56 
Insulation Test Voltage2400 V (AC)
SizeEP13 
MountSMT 
WE-PoE Power over Ethernet Transformer
750315422
Flyback, 9 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 9 - 57 V (DC)
Output Voltage 112 V
Output Current 12 A
Inductance9 µH
Turns Ratio1:1.12:1 
Insulation Test Voltage1500 V (AC)
SizeEFD20 
MountSMT 
WE-PoE Power over Ethernet Transformer
750317123
Flyback, 32 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 32 - 57 V (DC)
Output Voltage 112 V
Output Current 11 A
Inductance82 µH
Turns Ratio2.5:1:0.75 
Insulation Test Voltage1500 V (AC)
SizeRM6 
MountSMT 
WE-PoE Power over Ethernet Transformer
750319924
Flyback, 40 - 57 V (DC), 3.3 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 40 - 57 V (DC)
Output Voltage 13.3 V
Output Current 12.1 A
Inductance235 µH
Turns Ratio9.5:1:3.5 
Insulation Test Voltage1500 V (AC)
SizeEP10 
WE-PoE Power over Ethernet Transformer
750319935
Flyback, 40 - 57 V (DC), 5 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 40 - 57 V (DC)
Output Voltage 15 V
Output Current 11.4 A
Inductance235 µH
Turns Ratio6.5:1:2.38 
Insulation Test Voltage1500 V (AC)
SizeEP10 
WE-PoE Power over Ethernet Transformer
750319936
Flyback, 40 - 57 V (DC), 12 V
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
VersionFlyback 
Input Voltage 40 - 57 V (DC)
Output Voltage 112 V
Output Current 10.6 A
Inductance235 µH
Turns Ratio2.75:1:1 
Insulation Test Voltage1500 V (AC)
SizeEP10