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: 5.812
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Description Datasheet Availability Pricing (EUR) 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
Pulse Electronics Power Transformers 25W 80uH 200-700kHz 33-57V Flyback
Datasheet
64In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 125

Flyback Transformers PA5130
Pulse Electronics Power Transformers SMD Hi Isolation Pwr 450uH .80Ohms
Datasheet
20In Stock
1.650On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 150

10 mm 10 mm 12.5 mm
Pulse Electronics Power Transformers SMD Hi Isolation Pwr 750uH .75Ohms
Datasheet
591In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 150

10 mm 10 mm 12.5 mm
Pulse Electronics Power Transformers SMD 3W 24V/us 538uH 1CT:1CT 20%
Datasheet
296In Stock
1.600Expected 3/5/2026
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 SMD 3W 24V/us 538uH 4CT:3CT 20%
Datasheet
644In 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 0.7mH 2500V 1:2:2 DCR=0.9-1.9Ohms
Datasheet
177In 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
Pulse Electronics Power Transformers 2.8mH 1500V 2:1:1 DCR=0.80-0.55Ohms
Datasheet
612In 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
Pulse Electronics Power Transformers 1.26mH 2500V 2:3:3 DCR=1.1-2.0Ohms
Datasheet
71In Stock
900Expected 4/27/2026
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
Pulse Electronics Power Transformers 2.8mH 2500V 3:2:2 DCR=1.6-1.3Ohms
Datasheet
576In 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
Pulse Electronics Power Transformers 1CT:1CT Iso4000V Push Pull AEC-Q200
Datasheet
135In Stock
900Expected 3/20/2026
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 1CT:5CT Iso4000V Push Pull AEC-Q200
Datasheet
47In 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 1CT:3CT Iso5000V SMT 5kVrms AEC-Q200
Datasheet
698In 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
Pulse Electronics Power Transformers 2CT:1CT Iso5000V SMT 5kVrms AEC-Q200
Datasheet
586In 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
iNRCORE Power Transformers
Datasheet
42In Stock
Min.: 1
Mult.: 1

Gate Drive Transformers SMD/SMT 9.02 mm 8.64 mm 7.62 mm
Wurth Elektronik Power Transformers WE-PoE+ Size EFD20 42uH 0.061ohm
Datasheet
38In Stock
250Expected 3/19/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 125

POE - Power Over Ethernet Transformers 36 V to 72 V 12 V 30 W 2.5 A SMD/SMT Single Primary Winding Single Secondary Winding 23.11 mm 29.08 mm 11.43 mm WE-PoE+
Wurth Elektronik Power Transformers WE-PoEH High Power EPQ13 41uH 36W
Datasheet
252In Stock
146Expected 2/27/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 150

POE - Power Over Ethernet Transformers 33 V to 57 V 12 V 36 W 1.5 A SMD/SMT Single Primary Winding Dual Secondary Winding 14 mm 17.65 mm 14.5 mm WE-PoEH
Wurth Elektronik Power Transformers WE-PoEH High Power EPQ13 21uH 21.12W
Datasheet
144In Stock
Min.: 1
Mult.: 1
Reel: 150

POE - Power Over Ethernet Transformers 9 V to 57 V 3.3 V 21.12 W 3.2 A SMD/SMT Single Primary Winding Dual Secondary Winding 14 mm 17.65 mm 14.5 mm WE-PoEH
Wurth Elektronik Power Transformers WE-PoE Size ER13 127uH 40mohm
Datasheet
165In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

POE - Power Over Ethernet Transformers 36 V to 57 V 5 V 13 W 1.3 A SMD/SMT Single Primary Winding Dual Secondary Winding 13.46 mm 17.75 mm 12.7 mm WE-PoE
Wurth Elektronik Power Transformers WE-FLEX Flexible Transformer for DC/DC Converter
Datasheet
992In Stock
Min.: 1
Mult.: 1
Reel: 500

WE-FLEX
Wurth Elektronik Power Transformers WE-FLEX W/O Air Gap 153.8uH 0.02A
Datasheet
255In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 300

Flexible Transformers 500 VA 970 mA SMD/SMT Triple Primary Winding Triple Secondary Winding 17.5 mm 22.1 mm 8.3 mm WE-FLEX
Wurth Elektronik Power Transformers WE-FB LT3750 10 uH 36 W
Datasheet
270In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

Flyback Transformers 3 V to 24 V 300 V 36 W 120 mA SMD/SMT Single Primary Winding Single Secondary Winding 18.01 mm 23.11 mm 9.4 mm WE-FB
Wurth Elektronik Power Transformers WE-FB LT3751 FLYBK TRANSFORMER EDF20 10 uH
Datasheet
375In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 125

Flyback Transformers SMD/SMT Dual Primary Winding Single Secondary Winding 28.7 mm 21.97 mm 11.43 mm WE-FB
Wurth Elektronik Power Transformers WE-FB LT3751 2.5 uH 127.5 W
Datasheet
35In Stock
Min.: 1
Mult.: 1

Flyback Transformers 24 V 75 V 127.5 W 1.7 A Through Hole Single Primary Winding Dual Secondary Winding 36.5 mm 42 mm 23 mm WE-FB
Wurth Elektronik Power Transformers WE-FB LT3748 4.5 uH 36 W
Datasheet
137In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 120

Flyback Transformers 9 V to 36 V 12 V 36 W 3 A SMD/SMT Single Primary Winding Single Secondary Winding 23.11 mm 29.08 mm 11.43 mm WE-FB
Wurth Elektronik Power Transformers WE-POE PD70201 38 uH 25 W
Datasheet
20In Stock
200Expected 3/23/2026
Min.: 1
Mult.: 1
Reel: 200

POE - Power Over Ethernet Transformers 37 V to 57 V 5 V 25 W 5 A SMD/SMT Single Primary Winding Single Secondary Winding 13.46 mm 17.75 mm 12.7 mm WE-POE