WE-OLRM Offline Flyback Transformers
SizeDimen­sions3DL
(mm)
W
(mm)
H
(mm)
Mount
RM6
20.07 23 15 THT
RM8
24.64 24.64 17.32 THT
RM10
31.5 31.5 20.5 THT

Characteristics

  • Designed for IEC 61558-2-16 reinforced 265Vrms working voltage
  • Extended rail
  • Vertical core direction
  • Universal input from 85 VAC up to 265 VAC
  • Compact
  • Grounded core for improved EMI performance

Applications

  • White goods
  • Offline flyback applications
  • Industrial controls
  • LED lighting
  • Smart adapters
  • Metering

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Products

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RM6
RM8
RM10
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Order Code
Data­sheet
Simu­lation
Downloads
Status
VIN
VOut1(V)
IOut1(A)
VOut2(V)
IOut2(A)
Vaux(V)
fswitch(kHz)
L(µH)
NPRI : NSEC : NAUX
ISAT(A)
VT(V (AC))
L(mm)
W(mm)
H(mm)
Mount
Size
Samples
WE-OLRM Offline Flyback Transformers
7508112110
85 - 265 V (AC), 5 V, 4.8 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 15 V
Output Current 14.8 A
Auxiliary Voltage16 V
Switching Frequency 44 - 80
Inductance670 µH
Turns Ratio19:1:2.75 
Saturation Current2.7 A
Insulation Test Voltage3900 V (AC)
Length24.64 mm
Width24.64 mm
Height17.32 mm
MountTHT 
SizeRM8 
WE-OLRM Offline Flyback Transformers
7508112349
85 - 265 V (AC), 12 V, 2.2 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 112 V
Output Current 12.2 A
Auxiliary Voltage16 V
Switching Frequency 44 - 77
Inductance681 µH
Turns Ratio8.75:1:1.38 
Saturation Current2.5 A
Insulation Test Voltage3900 V (AC)
Length24.64 mm
Width24.64 mm
Height17.32 mm
MountTHT 
SizeRM8 
WE-OLRM Offline Flyback Transformers
750811618
85 - 265 V (AC), 5 V, 2 A
Simu­lation
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 212 V
Output Current 21.1 A
Auxiliary Voltage16 V
Switching Frequency 44 - 105
Inductance742 µH
Turns Ratio20:2.25:1:3 
Saturation Current2.6 A
Insulation Test Voltage3900 V (AC)
Length24.64 mm
Width24.64 mm
Height17.32 mm
MountTHT 
SizeRM8 
WE-OLRM Offline Flyback Transformers
7508116316
85 - 265 V (AC), 12 V, 1.75 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 112 V
Output Current 11.75 A
Output Voltage 25 V
Output Current 20.45 A
Auxiliary Voltage16 V
Switching Frequency 44 - 84
Inductance742 µH
Turns Ratio20:2.25:1:3 
Saturation Current2.6 A
Insulation Test Voltage3900 V (AC)
Length24.64 mm
Width24.64 mm
Height17.32 mm
MountTHT 
SizeRM8 
WE-OLRM Offline Flyback Transformers
7508112111
85 - 265 V (AC), 5 V, 4 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 15 V
Output Current 14 A
Auxiliary Voltage20 V
Switching Frequency 100
Inductance600 µH
Turns Ratio18 : 1 : 4 
Saturation Current3.75 A
Insulation Test Voltage3900 V (AC)
Length31.5 mm
Width31.5 mm
Height20.5 mm
MountTHT 
SizeRM10 
WE-OLRM Offline Flyback Transformers
7508112355
85 - 265 V (AC), 12 V, 1.667 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 112 V
Output Current 11.667 A
Auxiliary Voltage24 V
Switching Frequency 100
Inductance600 µH
Turns Ratio9 : 1 : 2 
Saturation Current3.75 A
Insulation Test Voltage3900 V (AC)
Length31.5 mm
Width31.5 mm
Height20.5 mm
MountTHT 
SizeRM10 
WE-OLRM Offline Flyback Transformers
7508116318
85 - 265 V (AC), 12 V, 0.8 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 112 V
Output Current 10.8 A
Output Voltage 212 V
Output Current 20.8 A
Auxiliary Voltage24 V
Switching Frequency 100
Inductance600 µH
Turns Ratio9 : 1 : 1 : 2 
Saturation Current3.75 A
Insulation Test Voltage3900 V (AC)
Length31.5 mm
Width31.5 mm
Height20.5 mm
MountTHT 
SizeRM10 
WE-OLRM Offline Flyback Transformers
750811648
85 - 265 V (AC), 24 V, 0.4 A
Simu­lation
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 Voltage24 V
Switching Frequency 100
Inductance600 µH
Turns Ratio4.5 : 1 : 1 : 1 
Saturation Current3.75 A
Insulation Test Voltage3900 V (AC)
Length31.5 mm
Width31.5 mm
Height20.5 mm
MountTHT 
SizeRM10 
WE-OLRM Offline Flyback Transformers
7508110172
100 - 265 V (AC), 5 V, 1.5 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 100 - 265 V (AC)
Output Voltage 15 V
Output Current 11.5 A
Auxiliary Voltage20 V
Switching Frequency 40 - 100
Inductance4000 µH
Turns Ratio24 : 1 : 4 
Saturation Current0.45 A
Insulation Test Voltage3900 V (AC)
Length20.07 mm
Width23 mm
Height15 mm
MountTHT 
SizeRM6 
WE-OLRM Offline Flyback Transformers
7508110348
100 - 265 V (AC), 12 V, 0.6 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 100 - 265 V (AC)
Output Voltage 112 V
Output Current 10.6 A
Auxiliary Voltage24 V
Switching Frequency 40 - 100
Inductance4000 µH
Turns Ratio10 : 1 : 2 
Saturation Current0.45 A
Insulation Test Voltage3900 V (AC)
Length20.07 mm
Width23 mm
Height15 mm
MountTHT 
SizeRM6 
WE-OLRM Offline Flyback Transformers
7508114310
100 - 265 V (AC), 12 V, 0.3 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 100 - 265 V (AC)
Output Voltage 112 V
Output Current 10.3 A
Output Voltage 212 V
Output Current 20.3 A
Auxiliary Voltage24 V
Switching Frequency 40 - 100
Inductance4000 µH
Turns Ratio10 : 1 : 1 : 2 
Saturation Current0.45 A
Insulation Test Voltage3900 V (AC)
Length20.07 mm
Width23 mm
Height15 mm
MountTHT 
SizeRM6 
WE-OLRM Offline Flyback Transformers
750811418
100 - 265 V (AC), 5 V, 0.7 A
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 100 - 265 V (AC)
Output Voltage 15 V
Output Current 10.7 A
Output Voltage 212 V
Output Current 20.29 A
Auxiliary Voltage24 V
Switching Frequency 40 - 100
Inductance4000 µH
Turns Ratio26 : 1 : 2.4 : 4.8 
Saturation Current0.45 A
Insulation Test Voltage3900 V (AC)
Length20.07 mm
Width23 mm
Height15 mm
MountTHT 
SizeRM6