AC/DC Converter Transformers

Würth Elektronik AC/DC Converter Transformers are designed for offline power applications and meet relevant safety standards and dielectric requirements. AC/DC transformers feature universal offline input with many options for output voltages and offer THT, SMT, and single or multiple output options. Würth Elektronik AC/DC Converter Transformers are ideal for offline switch-mode power supplies (SMPS) used in industrial controls, metering, smart adapters, and auxiliary power supply applications. 

Results: 185
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Secondary Voltage Rating
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Secondary Current Rating
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Secondary Winding
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Wurth Elektronik Power Transformers MID-OLLT LT3798 600 uH 14 W
Datasheet
381In Stock
Min.: 1
Mult.: 1

Flyback Transformers 90 VAC to 265 VAC 14 V 14 W 1 A Through Hole Single Primary Winding Dual Secondary Winding 18 mm 16.5 mm 18 mm MID-OLLT
Wurth Elektronik Power Transformers MID-OLLT LT3798 300 uH 48 W
Datasheet
2,636In Stock
Min.: 1
Mult.: 1

Power 85 VAC to 265 VAC 24 V 48 W 2 A Through Hole Dual Primary Winding Dual Secondary Winding 31 mm 31 mm 25 mm MID-OLLT
Wurth Elektronik Power Transformers MID-OLON NCP1251 750 uH 21.6 W
Datasheet
561In Stock
Min.: 1
Mult.: 1

Flyback Transformers 85 VAC to 265 VAC 12 V 21.6 W 1.8 A Through Hole Dual Primary Winding Single Secondary Winding 23 mm 22 mm 17.53 mm MID-OLON
Wurth Elektronik Power Transformers MID-OLTI UCC28740 230 uH 60 W
Datasheet
877In Stock
Min.: 1
Mult.: 1

Flyback Transformers 94 VAC to 445 VAC 24 V 60 W 2.5 A Through Hole Dual Primary Winding Single Secondary Winding 29.2 mm 30.35 mm 29.3 mm MID-OLTI
Wurth Elektronik Power Transformers MID-OLTI UCC28740 160 uH 92.4 W
Datasheet
564In Stock
Min.: 1
Mult.: 1

Flyback Transformers 106 V to 286 V 24 V 92.4 W 3.85 A Through Hole Dual Primary Winding Single Secondary Winding 30.5 mm 24 mm 33 mm MID-OLTI


Wurth Elektronik Power Transformers WE-UNIT 5.6W SMD Offline Trnsfmr
Datasheet
920In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 175

Power 55 VAC to 265 VAC 12 V 5 W 420 mA SMD/SMT Dual Primary Winding Dual Secondary Winding 13.8 mm 23.9 mm 11 mm MID-OLEE
Wurth Elektronik Power Transformers MID-SLIM Offline 250uH 50kHz 34mOhm
Datasheet
1,414In Stock
Min.: 1
Mult.: 1

Offline Transformers 85 VAC to 265 VAC 12 V, 12 V, 12 V 67.5 W 1.875 A, 1.875 A, 1.875 A Through Hole Dual Primary Winding Triple Secondary Winding 29.4 mm 47.5 mm 12 mm WE-SLIM
Wurth Elektronik Power Transformers WE-LLCR Size ETD34 600uH 150W 48V
Datasheet
21In Stock
Min.: 1
Mult.: 1

Power 255 VAC to 283 VAC 48 V 150 W 3.1 A Through Hole Single Primary Winding Dual Secondary Winding 36 mm 36 mm 26 mm WE-LLCR
Wurth Elektronik Power Transformers MID-OLLT LT3798 600 uH 14 W
Datasheet
256In Stock
Min.: 1
Mult.: 1

Flyback Transformers 85 VAC to 265 VAC 28 V 14 W 500 mA Through Hole Single Primary Winding Dual Secondary Winding 18 mm 16.5 mm 18 mm MID-OLLT
Wurth Elektronik Power Transformers WE-UOST Univ Offline 1310uH 0.8A 450mOhm
Datasheet
268In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 150

Power 85 VAC to 265 VAC 24 V 7.2 W 300 mA SMD/SMT Single Primary Winding Dual Secondary Winding 25.81 mm 16.6 mm 13.5 mm WE-UOST
Wurth Elektronik Power Transformers WE-UOST Univ Offline 1310uH 0.8A 3000mOhm
Datasheet
256In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 150

Power 85 VAC to 265 VAC 5 V 6.25 W 1.25 A SMD/SMT Single Primary Winding Dual Secondary Winding 25.81 mm 16.6 mm 13.5 mm WE-UOST
Wurth Elektronik Power Transformers WE-UOST Univ Offline 1250uH 0.8A 3000mOhm
Datasheet
189In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 150

Power 85 VAC to 265 VAC 24 V 6.7 W 280 mA SMD/SMT Single Primary Winding Dual Secondary Winding 25.81 mm 16.6 mm 13.5 mm WE-UOST
Wurth Elektronik Power Transformers MID-OLTI UCC28700 1.8 mH 3 W
Datasheet
125In Stock
Min.: 1
Mult.: 1

Flyback Transformers 85 VAC to 265 VAC 12 V 3 W 250 mA Through Hole Dual Primary Winding Single Secondary Winding 13.72 mm 20.45 mm 10.41 mm MID-OLTI
Wurth Elektronik Power Transformers WE-UNIT Offline 245uH .21A 1.2Ohm
Datasheet
50In Stock
Min.: 1
Mult.: 1

Power 85 VAC to 265 VAC 24 V 3 W 125 mA Through Hole Single Primary Winding Single Secondary Winding 15 mm 11 mm 16.8 mm WE-UNIT
Wurth Elektronik Power Transformers MID-OLRM 85-265V 44-77kHz
Datasheet
9In Stock
Min.: 1
Mult.: 1

Power 85 VAC to 265 VAC 12 V 26.4 W 2.2 A Through Hole Dual Primary Winding Single Secondary Winding 24.64 mm 24.64 mm 17.32 mm MID-OLRM
Wurth Elektronik Power Transformers WE-UNIT Offline 175uH .85A 26Ohm
Datasheet
127In Stock
Min.: 1
Mult.: 1

Power 85 VAC to 265 VAC 5 V 9 W 600 mA Through Hole Single Primary Winding Single Secondary Winding 18 mm 16.5 mm 18 mm WE-UNIT
Wurth Elektronik Power Transformers WE-UNIT Offline 280uH .2A .05Ohm
Datasheet
175In Stock
Min.: 1
Mult.: 1

Power 85 VAC to 265 VAC 5 V 3 W 600 mA Through Hole Single Primary Winding Single Secondary Winding 15 mm 11 mm 16.8 mm WE-UNIT
Wurth Elektronik Power Transformers WE-FB SMD Flyback Dialog Semi iW1830
Datasheet
1,006In Stock
Min.: 1
Mult.: 1

Flyback Transformers 90 VAC to 264 VAC 5 V 15 W 3 A Through Hole Dual Primary Winding Single Secondary Winding 22.2 mm 26 mm 16 mm MID-OLDIA
Wurth Elektronik Power Transformers MID-OLLT LT3798 300 uH 90 W
Datasheet
95In Stock
Min.: 1
Mult.: 1

Flyback Transformers 120 VAC to 375 VAC 18 V 90 W 5 A Through Hole Dual Primary Winding Triple Secondary Winding 39.6 mm 43.18 mm 30.48 mm MID-OLLT
Wurth Elektronik Power Transformers MID-OLEFD EFD20 SMD .8uH 1.4A 12V
Datasheet
315In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 120

Power 120 VAC to 375 VAC 12 V, 12 V 24 W 1 A, 1 A SMD/SMT Dual Primary Winding Dual Secondary Winding 21.5 mm 33.8 mm 12 mm WE-OLEFD
Wurth Elektronik Power Transformers WE-UOST Univ Offline 1500uH 0.8A 4200mOhm
Datasheet
182In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 150

Power 195 VAC to 265 VAC 5 V 7.5 W 1.5 A SMD/SMT Single Primary Winding Dual Secondary Winding 25.81 mm 16.6 mm 13.5 mm WE-UOST
Wurth Elektronik Power Transformers MID-OLON Flyback Transformer
Datasheet
315In Stock
Min.: 1
Mult.: 1

Flyback Transformers 85 VAC to 600 VAC 5 V, 12 V 9.8 W 1 A, 400 mA Through Hole Dual Primary Winding Dual Secondary Winding 23 mm 22 mm 17.53 mm MID-OLON
Wurth Elektronik Power Transformers MID-OLLT LT3798 180 uH 108 W
Datasheet
158In Stock
Min.: 1
Mult.: 1

Power 85 VAC to 265 VAC 36 V 108 W 3 A Through Hole Dual Primary Winding Triple Secondary Winding 39.6 mm 43.18 mm 30.48 mm MID-OLLT
Wurth Elektronik Power Transformers MID-UNIT STM Offline 1.60mH 6.20Ohm
Datasheet
1,066In Stock
Min.: 1
Mult.: 1

Power 85 VAC to 424 VAC 12 V 6 W 500 mA Through Hole Single Primary Winding Single Secondary Winding 13.72 mm 20.45 mm 10.8 mm MID-OLSTM
Wurth Elektronik Power Transformers MID-OLPI UCC28700 1.67 mH 6 W
Datasheet
821In Stock
Min.: 1
Mult.: 1

Power 85 VAC to 265 VAC 5 V 6 W 1.2 A Through Hole Single Primary Winding Single Secondary Winding 16.9 mm 18.8 mm 13 mm MID-OLPI