DC/DC Converter Transformers

Würth Elektronik DC/DC Converter Transformers include the MID-PPTI, MID-PPMAX, MID-IBTI, MID-IBTEL, MID-IBMAX, MID-PLN, MID-HB, WE-FB, MID-FLYMAX, MID-FLYLT, and MID-FLYADI series. These transformers feature a wide range of options from output voltages, with or without AUX, THT, or SMT, and single or multiple outputs. Würth Elektronik DC/DC Converter Transformers are suitable for isolated DC/DC SMPS, industrial controls, building automation, and telecom converter applications.

Results: 193
Select Image Part #
 Mfr.
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
Series
Wurth Elektronik Power Transformers - Board Mount MID-PPMAX MAX14855 388 uH 700 mW
Datasheet
899In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,200

Signal Transformers 3.3 V 3.63 V 700 mW 200 mA SMD/SMT Dual Primary Winding Dual Secondary Winding 6.73 mm 10.46 mm 4.19 mm MID-PPMAX
Wurth Elektronik Power Transformers - Board Mount MID-PPMAX MAX14940 388 uH 900 mW
Datasheet
826In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,200

Signal Transformers 3.3 V 4.29 V 900 mW 200 mA SMD/SMT Dual Primary Winding Dual Secondary Winding 6.73 mm 10.46 mm 4.19 mm MID-PPMAX
Wurth Elektronik Power Transformers - Board Mount MID-PPMAX MAX14855 384 uH 600 mW
Datasheet
641In Stock
1,000Expected 17/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

Signal Transformers 3.3 V 5 V 600 mW 125 mA SMD/SMT Dual Primary Winding Dual Secondary Winding 9.14 mm 12.7 mm 7.62 mm MID-PPMAX
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.3 W
Datasheet
78In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

Flyback Transformers 36 V to 72 V 3.3 V 3.3 W 1 A SMD/SMT Dual Primary Winding Single Secondary Winding 10.16 mm 13.36 mm 8.64 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W
Datasheet
383In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

Flyback Transformers 36 V to 72 V 5 V 2.9 W 580 mA SMD/SMT Dual Primary Winding Single Secondary Winding 10.16 mm 13.36 mm 8.64 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.1 W
Datasheet
598In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

Flyback Transformers 36 V to 72 V 12 V 3.1 W 260 mA SMD/SMT Dual Primary Winding Single Secondary Winding 10.16 mm 13.36 mm 8.64 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 15.8 W
Datasheet
4In Stock
1,000Expected 01/10/2026
Min.: 1
Mult.: 1
: 200

Flyback Transformers 36 V to 75 V 3.3 V 15.8 W 4.8 A SMD/SMT Dual Primary Winding Single Secondary Winding 13.46 mm 17.75 mm 12.7 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8304 40 uH 14.4 W
Datasheet
99In Stock
200Expected 10/09/2026
Min.: 1
Mult.: 1
: 200

Flyback Transformers 36 V to 75 V 48 V 14.4 W 300 mA SMD/SMT Dual Primary Winding Single Secondary Winding 13.46 mm 17.75 mm 12.7 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount WE-FB SMD Flyback On REFDsgn LM3481 TI
Datasheet
46In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 100

Flyback Transformers 5 V to 32 V 12 V 36 W 3 A SMD/SMT Single Primary Winding Single Secondary Winding 27.03 mm 32.45 mm 13.97 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount MID-OLTI UCC28722 1.35 mH 6 W
Datasheet
46In Stock
1,080Expected 18/08/2026
Min.: 1
Mult.: 1

Flyback Transformers 85 VAC to 265 VAC 12 V 6 W 500 mA Through Hole Dual Primary Winding Single Secondary Winding 16.9 mm 18.8 mm 13.31 mm MID-OLTI
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3573 30uH 5 W
Datasheet
203In Stock
600Expected 21/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 300

Flyback Transformers 18 V to 30 V 5 V 5 W 1 A SMD/SMT Single Primary Winding Single Secondary Winding 9.78 mm 9.14 mm 10.54 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3573 25 uH 6 W
Datasheet
2In Stock
400Expected 18/03/2027
MouseReel Available
Min.: 1
Mult.: 1
: 400

Flyback Transformers 10 V to 30 V 15 V 6 W 400 mA SMD/SMT Single Primary Winding Single Secondary Winding 10.8 mm 13.35 mm 9.14 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 1.5 mH 9 W
Datasheet
65In Stock
Min.: 1
Mult.: 1

Flyback Transformers 85 V to 265 V 30 V 9 W 300 mA Through Hole Dual Primary Winding Single Secondary Winding 20.32 mm 24.38 mm 16 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-PPTI SN6501 475 uH 5 V SMD/SMT 125C
Datasheet
51,807On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1,200

Power 5 V 5 V 1.8 W 350 mA SMD/SMT Dual Primary Winding Dual Secondary Winding 6.73 mm 10.05 mm 4.19 mm WE-PPTI
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W
Datasheet
477Expected 29/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

Flyback Transformers 18 V to 30 V 12 V 9.6 W 800 mA SMD/SMT Single Primary Winding Single Secondary Winding 13.34 mm 15.24 mm 11.43 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3573 25 uH 9.6 W
Datasheet
1,400On Order
Min.: 1
Mult.: 1
: 200

Flyback Transformers 18 V to 30 V 12 V 9.6 W 800 mA SMD/SMT Single Primary Winding Single Secondary Winding 13.34 mm 15.24 mm 11.43 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 9 W
Datasheet
3,187On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

Flyback Transformers 8 V to 32 V 12 V, 12 V 9 W 375 mA, 375 mA SMD/SMT Single Primary Winding Dual Secondary Winding 13.34 mm 15.24 mm 11.43 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 2.8 W
Datasheet
4,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

Flyback Transformers 18 V to 42 V 5 V, 5 V 2.8 W 275 mA, 275 mA SMD/SMT Single Primary Winding Dual Secondary Winding 15.24 mm 13.34 mm 11.43 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount MID-PPMAX MAX14855 384 uH 1 W
Datasheet
1,986On Order
MouseReel Available
Min.: 1
Mult.: 1
: 500

Signal Transformers 5 V 5 V 1 W 200 mA SMD/SMT Dual Primary Winding Dual Secondary Winding 9.14 mm 12.7 mm 7.62 mm MID-PPMAX
Wurth Elektronik Power Transformers - Board Mount MID-FLYADI ADP1031 280 uH 700 mW
Datasheet
700In Stock
400Expected 06/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 400

Flyback Transformers 18 V to 32 V 24 V 700 mW 30 mA SMD/SMT Single Primary Winding Single Secondary Winding 8.26 mm 8.6 mm 9.65 mm MID-FLYADI
Wurth Elektronik Power Transformers - Board Mount WE-PPTI SN6501 50 uH 5 V SMD/SMT 125C
Datasheet
2,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 500

Push-Pull Transformers 5 V 19.5 V 1 W 50 mA SMD/SMT Dual Primary Winding Dual Secondary Winding 9.14 mm 12.95 mm 7.62 mm WE-PPTI
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3751 2.5 uH 127.5 W
Datasheet
187On Order
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 - Board Mount WE-FB LT3748 14 uH 40 W
Datasheet
200Expected 26/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 100

Flyback Transformers 12 V 48 V 40 W 850 mA SMD/SMT Single Primary Winding Dual Secondary Winding 32.31 mm 27.03 mm 13.69 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 6 uH 45 W
Datasheet
200Expected 14/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 100

Flyback Transformers 20 V to 48 V 5 V 45 W 9 A SMD/SMT Dual Primary Winding Triple Secondary Winding 27.03 mm 32.31 mm 13.69 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 15 uH 30 W
Datasheet
125Expected 17/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 125

Flyback Transformers 30 V to 75 V 5 V 30 W 6 A SMD/SMT Single Primary Winding Single Secondary Winding 23.11 mm 29.08 mm 11.43 mm WE-FB