ComponentsPassive ComponentsPower MagneticsTransformers For AC/DC Converter

WE-OLTI Offline Flyback Transformers

WE-OLTI Offline Flyback Transformers
SizeDimen­sions3DL
(mm)		W
(mm)		H
(mm)		Mount
EE13/7/4
 13.72 20.45 10.54 THT
EE16/7/5
 17.5 - - THT
EE16/8/5
 - - - THT
EE20/10/6
 - - - THT
EE25/13/7
 27.05 32.25 22.86 THT
EFD20
 21.5 29 12.45 THT
EFD25
 26.3 33 14.76 THT
EP13
 - - - THT
ERL35
 36.5 44 28.5 THT
ER28/14
 - - - THT
ER28/17
 32 39 36 THT
ETD29
 35.56 24.38 44.2 THT
ETD39
 49 41.9 31.75 THT
PQ2625
 1.15 30.35 29.3 THT

LTSpice files

Characteristics

  • Nominal input voltage: 85–265 VAC (120–375 VDC)
  • Small size
  • Low leakage inductance
  • Multiple-output options
  • Operating temperature: −40 °C to +125 °C
  • Isolation Voltage: 2 kVAC to 5 kVAC
  • Options for fixed frequency or quasi-resonant mode operation
  • Most products meet reinforced insulation

Applications

  • Industrial controls
  • USB chargers
  • Utility metering devices
  • Process controls
  • Factory automation
  • Security systems
  • Garage door opener auxiliary supplies
  • Home appliances
  • Especially designed for several ICs from Texas Instruments

Reference Designs

Application Notes

Can’t find the suitable product?

We will be glad to help you! We will take your specifications and work to find a solution that fits your needs. Simply fill out our inquiry form with your specifications.

Find your custom solution

Products

All
EE13/7/4
EE16/7/5
EE16/8/5
EE20/10/6
EE25/13/7
EFD20
EFD25
EP13
ERL35
ER28/14
ER28/17
ETD29
ETD39
PQ2625
Reset all
Filter article data
Filter by
Delete all
 show  articles in 14 product lines
 articles in 14 product lines
Reset all
Log in now to view availability and request availability forecasts. LOGIN
Order Code
Data­sheet
Simu­lation
Downloads
Status
VIN
VOut1(V)
IOut1(mA)
VOut2(V)
IOut2(mA)
VOut3(V)
IOut3(mA)
Vaux(V)
Vaux 2(V)
L(µH)
fswitch(kHz)
NPRI : NSEC : NAUX
ISAT(A)
VT(V (AC))
Size
Mount
L(mm)
W(mm)
H(mm)
SamplesAvailability & Sample
Log in now to view availability and request availability forecasts. LOGIN
WE-OLTI Offline Flyback Transformers
750342851
SPEC43 - 318 V (AC), 24 V, 1000 mA
Simu­lation
Availability
Request
Downloads13 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 43 - 318 V (AC)
Output Voltage 124 V
Output Current 11000 mA
Output Voltage 215 V
Output Current 265 mA
Output Voltage 315 V
Output Current 365 mA
Auxiliary Voltage15 V
–
Inductance150 µH
Switching Frequency 75
Turns Ratio3.75:1.5:1:1:1:1 
Saturation Current2.78 A
Insulation Test Voltage1250 V (AC)
SizeEE25/13/7 
MountTHT 
Length27.05 mm
Width32.25 mm
Height22.86 mm
Request
WE-OLTI Offline Flyback Transformers
750343068
SPEC60 - 283 V (AC), 24 V, 2500 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 60 - 283 V (AC)
Output Voltage 124 V
Output Current 12500 mA
–
–
–
–
Auxiliary Voltage18 V
–
Inductance230 µH
Switching Frequency 65
Turns Ratio3.88:1:0.83 
Saturation Current4.4 A
Insulation Test Voltage3000 V (AC)
SizePQ2625 
MountTHT 
Length1.15 mm
Width30.35 mm
Height29.3 mm
Request
WE-OLTI Offline Flyback Transformers
750343466
SPEC60 - 282 V (AC), 24 V, 1500 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 60 - 282 V (AC)
Output Voltage 124 V
Output Current 11500 mA
–
–
–
–
Auxiliary Voltage16.5 V
–
Inductance280 µH
Switching Frequency 100
Turns Ratio4.29 : 1 : 0.72 
Saturation Current1.88 A
Insulation Test Voltage3000 V (AC)
SizeEE20/10/6 
MountTHT 
Length22.2 mm
Width25 mm
Height16.5 mm
Request
WE-OLTI Offline Flyback Transformers
7508113417
SPEC64 - 265 V (AC), 19 V, 3850 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 64 - 265 V (AC)
Output Voltage 119 V
Output Current 13850 mA
–
–
–
–
Auxiliary Voltage11 V
–
Inductance140 µH
Switching Frequency 30 - 130
Turns Ratio3.25:1:0.58 
Saturation Current9.1 A
Insulation Test Voltage3000 V (AC)
SizeER28/17 
MountTHT 
Length32 mm
Width39 mm
Height36 mm
Request
WE-OLTI Offline Flyback Transformers
7508110329
SPEC70 - 265 V (AC), 15 V, 340 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 70 - 265 V (AC)
Output Voltage 115 V
Output Current 1340 mA
–
–
–
–
Auxiliary Voltage15 V
–
Inductance700 µH
Switching Frequency 130
Turns Ratio6.6:1:1 
Saturation Current0.575 A
Insulation Test Voltage4000 V (AC)
SizeEE16/7/5 
MountTHT 
Length17.5 mm
Width18.8 mm
Height17.5 mm
Request
WE-OLTI Offline Flyback Transformers
750817930
SPEC71 - 481 V (AC), 12 V, 700 mA

PCN pending

Due to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 71 - 481 V (AC)
Output Voltage 112 V
Output Current 1700 mA
Output Voltage 212 V
Output Current 2700 mA
Output Voltage 312 V
Output Current 3700 mA
Auxiliary Voltage18 V
–
Inductance350 µH
Switching Frequency 100
Turns Ratio7:1:1:1:1.5 
Saturation Current1.8 A
Insulation Test Voltage3000 V (AC)
SizeEE20/10/6 
MountTHT 
Length22.2 mm
Width25 mm
Height16 mm
Request
WE-OLTI Offline Flyback Transformers
750343661
SPEC71 - 301 V (AC), 15 V, 250 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 71 - 301 V (AC)
Output Voltage 115 V
Output Current 1250 mA
Output Voltage 25 V
Output Current 23000 mA
–
–
Auxiliary Voltage15 V
–
Inductance500 µH
Switching Frequency 85
Turns Ratio8:1.75:1:2.75 
Saturation Current6 A
Insulation Test Voltage3000 V (AC)
SizeEE20/10/6 
MountTHT 
Length22.2 mm
Width25.8 mm
Height16 mm
Request
WE-OLTI Offline Flyback Transformers
7508110151
SPEC85 - 265 V (AC), 5 V, 1000 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 15 V
Output Current 11000 mA
–
–
–
–
Auxiliary Voltage15 V
–
Inductance1500 µH
Switching Frequency 70
Turns Ratio15.42:1:3.14 
Saturation Current0.425 A
Insulation Test Voltage4000 V (AC)
SizeEP13 
MountTHT 
Length22.2 mm
Width25 mm
Height16 mm
Request
WE-OLTI Offline Flyback Transformers
750811647
SPEC85 - 265 V (AC), 17.4 V, 1000 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 117.4 V
Output Current 11000 mA
Output Voltage 26.6 V
Output Current 21000 mA
–
–
Auxiliary Voltage18 V
–
Inductance250 µH
Switching Frequency 100
Turns Ratio10:1:2.5:2.75 
Saturation Current1.7 A
Insulation Test Voltage3500 V (AC)
SizeEE20/10/6 
MountTHT 
Length22.2 mm
Width26 mm
Height16 mm
Request
WE-OLTI Offline Flyback Transformers
7508110127
SPEC85 - 265 V (AC), 5 V, 1000 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 15 V
Output Current 11000 mA
–
–
–
–
Auxiliary Voltage15 V
–
Inductance1050 µH
Switching Frequency 120
Turns Ratio14.16:1:3.17 
Saturation Current0.5 A
Insulation Test Voltage4000 V (AC)
SizeEP13 
MountTHT 
Length14.22 mm
Width14.22 mm
Height12.7 mm
Request
WE-OLTI Offline Flyback Transformers
7508112339
SPEC85 - 265 V (AC), 12 V, 3000 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 112 V
Output Current 13000 mA
–
–
–
–
Auxiliary Voltage18 V
Auxiliary Voltage 26 V
Inductance220 µH
Switching Frequency 100
Turns Ratio7:1:1.5:0.5 
Saturation Current2.2 A
Insulation Test Voltage4500 V (AC)
SizeEE20/10/6 
MountTHT 
Length22.2 mm
Width25 mm
Height16.5 mm
Request
WE-OLTI Offline Flyback Transformers
750313739
SPEC85 - 265 V (AC), 5 V, 1200 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 15 V
Output Current 11200 mA
–
–
–
–
Auxiliary Voltage17 V
–
Inductance1100 µH
Switching Frequency 115
Turns Ratio16.5:1:3.5 
Saturation Current0.65 A
Insulation Test Voltage4500 V (AC)
SizeEE16/8/5 
MountTHT 
Length20.32 mm
Width24.38 mm
Height16 mm
Request
WE-OLTI Offline Flyback Transformers
7508110331
SPEC85 - 265 V (AC), 15 V, 250 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 115 V
Output Current 1250 mA
–
–
–
–
Auxiliary Voltage15 V
–
Inductance500 µH
Switching Frequency 130
Turns Ratio3.25:1:1 
Saturation Current0.5 A
Insulation Test Voltage3000 V (AC)
SizeEE13/7/4 
MountTHT 
Length13.72 mm
Width20.45 mm
Height10.54 mm
Request
WE-OLTI Offline Flyback Transformers
7508111323
SPEC85 - 265 V (AC), 12 V, 1000 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 112 V
Output Current 11000 mA
–
–
–
–
Auxiliary Voltage12 V
–
Inductance2000 µH
Switching Frequency 50 - 102
Turns Ratio8:1:1:1 
Saturation Current0.5 A
Insulation Test Voltage625 V (AC)
SizeEE16/8/5 
MountTHT 
Length17.78 mm
Width26.9 mm
Height13.8 mm
Request
WE-OLTI Offline Flyback Transformers
750315526
SPEC85 - 265 V (AC), 5 V, 2000 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 15 V
Output Current 12000 mA
–
–
–
–
Auxiliary Voltage20 V
–
Inductance435 µH
Switching Frequency 100
Turns Ratio13.2:1:3.8 
Saturation Current1.25 A
Insulation Test Voltage3900 V (AC)
SizeEE16/7/5 
MountTHT 
Length17.5 mm
Width18.8 mm
Height13.8 mm
Request
WE-OLTI Offline Flyback Transformers
7508112341
SPEC85 - 265 V (AC), 12 V, 3000 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 112 V
Output Current 13000 mA
–
–
–
–
Auxiliary Voltage12 V
–
Inductance380 µH
Switching Frequency 60 - 120
Turns Ratio7:1:1 
Saturation Current3.3 A
Insulation Test Voltage4500 V (AC)
SizeEFD25 
MountTHT 
Length26.3 mm
Width33 mm
Height14.76 mm
Request
WE-OLTI Offline Flyback Transformers
750316326
SPEC85 - 265 V (AC), 27 V, 6000 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 127 V
Output Current 16000 mA
–
–
–
–
Auxiliary Voltage12 V
–
Inductance250 µH
Switching Frequency 120
Turns Ratio4:1:0.5 
Saturation Current7.5 A
Insulation Test Voltage3600 V (AC)
SizeERL35 
MountTHT 
Length36.5 mm
Width44 mm
Height28.5 mm
Request
WE-OLTI Offline Flyback Transformers
750316686
SPEC85 - 265 V (AC), 12 V, 1000 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 112 V
Output Current 11000 mA
–
–
–
–
Auxiliary Voltage12 V
–
Inductance500 µH
Switching Frequency 70
Turns Ratio6:1:1 
Saturation Current0.925 A
Insulation Test Voltage3000 V (AC)
SizeEE16/8/5 
MountTHT 
Length20.32 mm
Width24.38 mm
Height16 mm
Request
WE-OLTI Offline Flyback Transformers
750317406
SPEC85 - 400 V (AC), 12 V, 1100 mA
Simu­lation
Availability
Request
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 400 V (AC)
Output Voltage 112 V
Output Current 11100 mA
Output Voltage 24 V
Output Current 210 mA
–
–
Auxiliary Voltage25 V
–
Inductance600 µH
Switching Frequency 100
Turns Ratio21:3:1:6 
Saturation Current1.5 A
Insulation Test Voltage4800 V (AC)
SizeEE20/10/6 
MountTHT 
Length21.5 mm
Width25 mm
Height16 mm
Request
WE-OLTI Offline Flyback Transformers
750318383
SPEC85 - 265 V (AC), 12 V, 300 mA
Simu­lation
Availability
Request
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 85 - 265 V (AC)
Output Voltage 112 V
Output Current 1300 mA
Output Voltage 27 V
Output Current 22000 mA
Output Voltage 3-15 V
Output Current 3300 mA
Auxiliary Voltage15 V
–
Inductance680 µH
Switching Frequency 66
Turns Ratio29.33:1:1.67:3:3 
Saturation Current1.4 A
Insulation Test Voltage3750 V (AC)
SizeEFD20 
MountTHT 
Length21.5 mm
Width29 mm
Height12.45 mm
Request
WE-OLTI Offline Flyback Transformers
750813743
SPEC90 - 144 V (AC), 12 V, 4050 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 90 - 144 V (AC)
Output Voltage 112 V
Output Current 14050 mA
Output Voltage 212 V
Output Current 24050 mA
–
–
Auxiliary Voltage15 V
–
Inductance180 µH
Switching Frequency 60
Turns Ratio10:1:1:1 
Saturation Current7.3 A
Insulation Test Voltage3750 V (AC)
SizeER28/14 
MountTHT 
Length31 mm
Width31 mm
Height25 mm
Request
WE-OLTI Offline Flyback Transformers
750343004
SPEC106 - 286 V (AC), 24 V, 3850 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 106 - 286 V (AC)
Output Voltage 124 V
Output Current 13850 mA
–
–
–
–
Auxiliary Voltage18 V
–
Inductance160 µH
Switching Frequency 65
Turns Ratio4:1:0.78 
Saturation Current4.7 A
Insulation Test Voltage3750 V (AC)
SizeER28/14 
MountTHT 
Length30.5 mm
Width24 mm
Height33 mm
Request
WE-OLTI Offline Flyback Transformers
750315046
SPEC141 - 403 V (AC), 24 V, 2100 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 141 - 403 V (AC)
Output Voltage 124 V
Output Current 12100 mA
–
–
–
–
Auxiliary Voltage24 V
–
Inductance1000 µH
Switching Frequency 60
Turns Ratio8.67:1:1 
Saturation Current2 A
Insulation Test Voltage3000 V (AC)
SizeEE25/13/7 
MountTHT 
Length27.05 mm
Width32.25 mm
Height22.86 mm
Request
WE-OLTI Offline Flyback Transformers
750315242
SPEC141 - 283 V (AC), 12 V, 1800 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 141 - 283 V (AC)
Output Voltage 112 V
Output Current 11800 mA
Output Voltage 212 V
Output Current 21800 mA
–
–
Auxiliary Voltage20 V
Auxiliary Voltage 216 V
Inductance600 µH
Switching Frequency 45
Turns Ratio12:1:1:1.67:1.33 
Saturation Current2.3 A
Insulation Test Voltage3000 V (AC)
SizeEE25/13/7 
MountTHT 
Length27.05 mm
Width32.25 mm
Height22.86 mm
Request
WE-OLTI Offline Flyback Transformers
750315241
SPEC142 - 284 V (AC), 36 V, 1000 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 142 - 284 V (AC)
Output Voltage 136 V
Output Current 11000 mA
–
–
–
–
Auxiliary Voltage18 V
–
Inductance1100 µH
Switching Frequency 45
Turns Ratio4:1:0.5 
Saturation Current1.3 A
Insulation Test Voltage3000 V (AC)
SizeEE20/10/6 
MountTHT 
Length22.2 mm
Width25 mm
Height16 mm
Request
WE-OLTI Offline Flyback Transformers
750316585
SPEC177 - 473 V (AC), 12 V, 1500 mA
Simu­lation
Availability
Request
Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 177 - 473 V (AC)
Output Voltage 112 V
Output Current 11500 mA
Output Voltage 25 V
Output Current 22000 mA
–
–
Auxiliary Voltage17 V
–
Inductance600 µH
Switching Frequency 30
Turns Ratio11.63:2.18:1:3 
Saturation Current2.75 A
Insulation Test Voltage4000 V (AC)
SizeEE20/10/6 
MountTHT 
Length22.2 mm
Width25 mm
Height16 mm
Request
WE-OLTI Offline Flyback Transformers
750815039
SPEC184 - 265 V (AC), 12 V, 300 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 184 - 265 V (AC)
Output Voltage 112 V
Output Current 1300 mA
–
–
–
–
Auxiliary Voltage12 V
–
Inductance6600 µH
Switching Frequency 40 - 130
Turns Ratio18:1:1 
Saturation Current0.225 A
Insulation Test Voltage4000 V (AC)
SizeEE16/7/5 
MountTHT 
Length17.5 mm
Width18.8 mm
Height14.2 mm
Request
WE-OLTI Offline Flyback Transformers
750315340
SPEC200 - 265 V (AC), 24 V, 10000 mA
Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 200 - 265 V (AC)
Output Voltage 124 V
Output Current 110000 mA
–
–
–
–
Auxiliary Voltage12 V
–
Inductance200 µH
Switching Frequency 60
Turns Ratio4.5:1:0.5 
Saturation Current15 A
Insulation Test Voltage3000 V (AC)
SizeETD39 
MountTHT 
Length49 mm
Width41.9 mm
Height31.75 mm
Request
WE-OLTI Offline Flyback Transformers
750344367
SPEC269 - 282 V (AC), 18 V, 100 mA
Simu­lation
Availability
Request
Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 269 - 282 V (AC)
Output Voltage 118 V
Output Current 1100 mA
Output Voltage 26 V
Output Current 2900 mA
–
–
Auxiliary Voltage12 V
–
Inductance1600 µH
Switching Frequency 110
Turns Ratio16:2:1:2 
Saturation Current0.3 A
Insulation Test Voltage3000 V (AC)
SizeEE16/7/5 
MountTHT 
Length17.5 mm
Width20 mm
Height14 mm
Request
WE-OLTI Offline Flyback Transformers
750342585
SPEC400 - 690 V (AC), 24 V, 2000 mA

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
Request
Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Input Voltage 400 - 690 V (AC)
Output Voltage 124 V
Output Current 12000 mA
Output Voltage 216 V
Output Current 2140 mA
Output Voltage 316 V
Output Current 3140 mA
Auxiliary Voltage16 V
–
Inductance2500 µH
Switching Frequency 68
Turns Ratio35.5:1:2:2:0.75:2 
Saturation Current0.0062 A
Insulation Test Voltage3800 V (AC)
SizeETD29 
MountTHT 
Length35.56 mm
Width24.38 mm
Height44.2 mm
Request