Power Transformers

Power Transformers
Power transformers are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many power transformer manufacturers including Bel, Bourns, Hammond, Pulse, Tamura, Triad Magnetics, Wurth Elektronik & more. Please view our selection of power transformers below.
Results: 5,815
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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Primary Voltage Rating
Secondary Voltage Rating
Power Rating
Secondary Current Rating
Mounting Style
Primary Winding
Secondary Winding
Length
Width
Height
Outside Diameter
Series
Wurth Elektronik Power Transformers WE-LLCR Size ETD34 600uH 150W 48V
Datasheet
20In 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
Coilcraft Power Transformers Q4437 Flybck Regltor 12 V, -12 V 1.8 A
Datasheet
42In Stock
798Expected 10/04/2026
Min.: 1
Mult.: 1

Q4437
Pulse Electronics PH9384.021NLT
Pulse Electronics Power Transformers SMD 3W 24V/us 538uH 2CT:1CT 20%
Datasheet
1,451In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

3 W SMD/SMT Dual Primary Winding Dual Secondary Winding 12.5 mm 9.2 mm 7.6 mm PH9084.XXXNLT
Pulse Electronics Power Transformers XFMR FLYBACK EP13 SM 10 PI NPB
Datasheet
470In Stock
Min.: 1
Mult.: 1

POE - Power Over Ethernet Transformers
Pulse Electronics Power Transformers XFMR,PUSHPULL,7W,REINFORCE NPB
Datasheet
583In Stock
Min.: 1
Mult.: 1
Reel: 300

Pulse Electronics Power Transformers 6W 21.8uH 200-700kHz 10-14V Flyback
Datasheet
625In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 700

Flyback Transformers 1.8 W 8 mm 6.6 mm 6 mm PA4470
Wurth Elektronik Power Transformers WE-PoEH High Power EPQ13 48uH 30W
Datasheet
300In Stock
Min.: 1
Mult.: 1
Reel: 150

POE - Power Over Ethernet Transformers 33 V to 57 V 5 V 30 W 3 A SMD/SMT Single Primary Winding Dual Secondary Winding 14 mm 17.65 mm 14.5 mm WE-PoEH
Pulse Electronics PA1528ANLT
Pulse Electronics Power Transformers 28.9 UH 10%
Datasheet
936In Stock
Min.: 1
Mult.: 1
Reel: 150

Flyback Transformers
iNRCORE Power Transformers 2700V 780uH +/-35% DCR=.85mOhms
Datasheet
95In Stock
Min.: 1
Mult.: 1

SLIC
Pulse Electronics Power Transformers 8CT:3CT Iso5000V SMT 5kVrms AEC-Q200
Datasheet
639In Stock
Min.: 1
Mult.: 1
Reel: 150
Isolation Transformers SMD/SMT Dual Primary Winding Dual Secondary Winding 10 mm 10 mm 12.5 mm PM2190.xxxNLT
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 2920mOhm
Datasheet
260In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 150

Power 85 VAC to 265 VAC 12 V 6.6 W 550 mA SMD/SMT Single Primary Winding Dual Secondary Winding 25.81 mm 16.6 mm 13.5 mm WE-UOST
Pulse Electronics Power Transformers 2.8mH 2500V 2:1:1 DCR=1.6-1.0Ohms
Datasheet
961In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

Transformers 6 W PCB Mount Single Primary Winding Dual Secondary Winding 10.2 mm 7.5 mm PH9572
Wurth Elektronik Power Transformers MID-FLYLT LT3512 175 uH 2 W
Datasheet
266In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

Flyback Transformers 35 V to 75 V 5 V 2 W 400 mA SMD/SMT Single Primary Winding Dual Secondary Winding 9.78 mm 9.14 mm 10.54 mm MID-FLYLT
Pulse Electronics Power Transformers SMD HiFreq WireWound 126uH .46Ohms
Datasheet
1,199In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 150

POE - Power Over Ethernet Transformers 60 W 17.7 mm 14 mm 12.7 mm PA
Pulse Electronics Power Transformers 80uH 3kV 10%
Datasheet
738In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 120



Pulse Electronics Power Transformers SMD 3W 24V/us Sidecar 8CT:9CT 20%
Datasheet
538In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

3 W SMD/SMT Dual Primary Winding Dual Secondary Winding 12.5 mm 9.2 mm 7.6 mm PH9084.XXXNLT
Pulse Electronics Power Transformers 1CT:3CT Iso4000V Push Pull AEC-Q200
Datasheet
1,701In Stock
Min.: 1
Mult.: 1
Reel: 300
Isolation Transformers SMD/SMT Dual Primary Winding Dual Secondary Winding 16 mm 16 mm 7.5 mm PM2155.xxxNLT
Pulse Electronics Power Transformers 4CT:5CT Iso4000V Push Pull AEC-Q200
Datasheet
965In Stock
Min.: 1
Mult.: 1
Reel: 300
Isolation Transformers SMD/SMT Dual Primary Winding Dual Secondary Winding 16 mm 16 mm 7.5 mm PM2155.xxxNLT
Pulse Electronics Power Transformers SMD 3W 27V/us 680uH 3CT:5CT 20%
Datasheet
777In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

3 W SMD/SMT Dual Primary Winding Dual Secondary Winding 12.5 mm 9.2 mm 7.6 mm PH9084.XXXNLT
Wurth Elektronik Power Transformers WE-POE LT4276 38 uH 25.2 W
Datasheet
338In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

POE - Power Over Ethernet Transformers 37 V to 57 V 12 V 25.2 W 2.1 A SMD/SMT Single Primary Winding Single Secondary Winding 13.46 mm 17.75 mm 12.7 mm WE-POE
Wurth Elektronik Power Transformers WE-PPTI SN6505B 200 uH
Datasheet
531In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 850

Transformers 5 V 12 V 230 mA SMD/SMT Single Primary Winding Single Secondary Winding 8.3 mm 14.75 mm 4.2 mm WE-PPTI
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
Pulse Electronics Power Transformers Flyback Converter Transformer 52-332uH 1.7A DCR=0.22Ohms 1:2.53
Datasheet
1,666In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 175

8 V to 18 V 1.5 W SMD/SMT Single Primary Winding Single Secondary Winding 10.5 mm 10.3 mm 12.5 mm PH9496
Wurth Elektronik Power Transformers WE-FLEX SMD 500VDC 196uH RDC=71.1mOhms
Datasheet
243In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 120

WE-FLEX