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 WE-FB LT3748 8 uH 45.6 W
Datasheet
45In Stock
400Expected 01/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 100

Flyback Transformers 20 V to 48 V 24 V 45.6 W 1.9 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 12 uH 45.6 W
Datasheet
31In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 100

Flyback Transformers 30 V to 75 V 24 V 45.6 W 1.9 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 8 uH 30 W
Datasheet
109In Stock
125Expected 01/04/2027
MouseReel Available
Min.: 1
Mult.: 1
: 125

Flyback Transformers 20 V to 48 V 15 V 30 W 2 A SMD/SMT Single Primary Winding Single Secondary Winding 23.11 mm 29.08 mm 11.43 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 8 uH 31.2 W
Datasheet
298In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 125

Flyback Transformers 20 V to 48 V 24 V 31.2 W 1.3 A SMD/SMT Single Primary Winding Single Secondary Winding 23.11 mm 29.08 mm 11.43 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W
Datasheet
179In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 125

Flyback Transformers 30 V to 75 V 24 V 31.2 W 1.3 A SMD/SMT Single Primary Winding Single Secondary Winding 23.11 mm 29.08 mm 11.43 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W
Datasheet
323In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback Transformers 10 V to 40 V 15 V 15 W 1 A SMD/SMT Single Primary Winding Single Secondary Winding 13.46 mm 17.75 mm 12.7 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW
Datasheet
577In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback Transformers 12 V - 200 V, 200 V 800 mW 2 mA, 2 mA SMD/SMT Single Primary Winding Dual Secondary Winding 13.46 mm 17.75 mm 12.7 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 60 uH 150 mW
Datasheet
453In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 800

Flyback Transformers 8 V to 15 V 150 V 150 mW 1 mA SMD/SMT Single Primary Winding Single Secondary Winding 6.6 mm 8.26 mm 5.59 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 80 uH 300 mW
Datasheet
346In Stock
350Expected 15/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 350

Flyback Transformers 8 V to 15 V - 150 V, 150 V 300 mW 1 mA, 1 mA SMD/SMT Single Primary Winding Dual Secondary Winding 9.78 mm 9.14 mm 10.54 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount MID-IBTI TPS55010TER 2 uH 6 W
Datasheet
485In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 300

Flyback Transformers 2.5 V to 3.5 V 15 V, 15 V 6 W 200 mA, 200 mA SMD/SMT Single Primary Winding Dual Secondary Winding 9.78 mm 9.14 mm 10.54 mm MID-IBTI
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W
Datasheet
2In Stock
1,200Expected 01/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 300

Flyback Transformers 36 V to 72 V 15 V, 15 V 2.1 W 70 mA, 70 mA SMD/SMT Single Primary Winding Dual Secondary Winding 9.78 mm 9.14 mm 10.54 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount WE-FB LT3748 37 uH 25 W
Datasheet
1In Stock
300Expected 29/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 100

Flyback Transformers 28 V 250 V 25 W 100 mA SMD/SMT Single Primary Winding Dual Secondary Winding 27.03 mm 32.31 mm 13.69 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 1.5 W
Datasheet
59In Stock
3,600On Order
MouseReel Available
Min.: 1
Mult.: 1
: 400

Flyback Transformers 18 V to 75 V 5 V 1.5 W 300 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 WE-FB LTC3300 3.46 uH 5 W
Datasheet
900In Stock
1,000Expected 22/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback Transformers 2 V to 5.5 V 20 V 5 W 250 mA SMD/SMT Dual Primary Winding Dual Secondary Winding 13.46 mm 17.75 mm 12.7 mm WE-FB
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W
Datasheet
468In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 400

Flyback Transformers 36 V to 72 V 5 V 1.9 W 380 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 LT8302 12 uH 7.5 W
Datasheet
250In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

Flyback Transformers 8 V to 40 V 5 V 7.5 W 1.5 A SMD/SMT Single Primary Winding Single Secondary Winding 13.34 mm 15.24 mm 11.43 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 7.7 W
Datasheet
197In Stock
6,750On Order
MouseReel Available
Min.: 1
Mult.: 1
: 250

Flyback Transformers 8 V to 32 V 24 V 7.7 W 320 mA SMD/SMT Single Primary Winding Single Secondary Winding 13.34 mm 15.24 mm 11.43 mm MID-FLYLT
Wurth Elektronik Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.6 W
Datasheet
15In Stock
2,750Expected 08/04/2027
MouseReel Available
Min.: 1
Mult.: 1
: 250

Flyback Transformers 8 V to 32 V 48 V 8.6 W 180 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 3.3 W
Datasheet
423In Stock
1,000Expected 01/04/2027
MouseReel Available
Min.: 1
Mult.: 1
: 250

Flyback Transformers 8 V to 32 V 3.3 V, 3.3 V 3.3 W 500 mA, 500 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-FLYLT LT8301 40 uH 3.4 W
Datasheet
29In Stock
1,000Expected 17/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

Flyback Transformers 8 V to 32 V 48 V, 48 V 3.4 W 35 mA, 35 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-IBTI LM5017MR 50 uH 1.5 W
Datasheet
28In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 200

Flyback Transformers 15 V to 40 V 5 V, 5 V, 15 V, 15 V 1.5 W 50 mA, 50 mA, 100 mA, 100 mA SMD/SMT Single Primary Winding Quad Secondary Winding 13.46 mm 17.75 mm 12.7 mm MID-IBTI
Wurth Elektronik Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL
Datasheet
52In Stock
250Expected 26/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 250

Flyback Transformers 15 V to 40 V 15 V, 15 V 4.5 W 150 mA, 150 mA SMD/SMT Single Primary Winding Dual Secondary Winding 13.34 mm 15.24 mm 11.43 mm MID-IBTI
Wurth Elektronik Power Transformers - Board Mount MID-PPMAX MAX14855 388 uH 700 mW
Datasheet
86In Stock
2,400Expected 31/12/2026
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
810In Stock
1,200Expected 01/10/2026
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
608In Stock
1,000Expected 21/09/2026
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