Power Transformers - Board Mount

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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.

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Part #

Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W

750311592
Wurth Elektronik
1: $14.36
45In Stock
400Expected 01/10/2026

Mfr. Part No.
750311592

Mouser Part No
710-750311592

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W

Learn More

Datasheet

45In Stock

400Expected 01/10/2026

Cut Tape

$14.36

$13.45

Reel

$11.70

$10.53

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

Power Transformers - Board Mount WE-FB LT3748 12 uH 45.6 W

750311596
Wurth Elektronik
1: $14.36
31In Stock

Mfr. Part No.
750311596

Mouser Part No
710-750311596

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 12 uH 45.6 W

Learn More

Datasheet

31In Stock

Cut Tape

$14.36

$13.45

Reel

$13.45

$10.53

Quote

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

Power Transformers - Board Mount WE-FB LT3748 8 uH 30 W

750311599
Wurth Elektronik
1: $11.72
109In Stock
125Expected 01/04/2027

Mfr. Part No.
750311599

Mouser Part No
710-750311599

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 8 uH 30 W

Learn More

Datasheet

109In Stock

125Expected 01/04/2027

Cut Tape

$11.72

$10.98

Reel

$9.55

$8.59

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

Power Transformers - Board Mount WE-FB LT3748 8 uH 31.2 W

750311604
Wurth Elektronik
1: $7.97
298In Stock

Mfr. Part No.
750311604

Mouser Part No
710-750311604

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 8 uH 31.2 W

Learn More

Datasheet

298In Stock

Cut Tape

$7.97

$7.36

Reel

$6.13

$5.42

$4.95

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

Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W

750311608
Wurth Elektronik
1: $7.76
179In Stock

Mfr. Part No.
750311608

Mouser Part No
710-750311608

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 12 uH 31.2 W

Learn More

Datasheet

179In Stock

Cut Tape

$7.76

$7.21

Reel

$7.21

$5.55

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

Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W

750311624
Wurth Elektronik
1: $7.80
323In Stock

Mfr. Part No.
750311624

Mouser Part No
710-750311624

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 9 uH 15 W

Learn More

Datasheet

323In Stock

Cut Tape

$7.80

$7.25

$6.13

Reel

$5.57

$4.60

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

Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW

750311681
Wurth Elektronik
1: $3.45
577In Stock

Mfr. Part No.
750311681

Mouser Part No
710-750311681

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 100 uH 800 mW

Learn More

Datasheet

577In Stock

Cut Tape

$3.45

$3.20

$2.98

$2.77

Reel

$2.54

View

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

Power Transformers - Board Mount WE-FB LT3748 60 uH 150 mW

750311691
Wurth Elektronik
1: $5.86
453In Stock

Mfr. Part No.
750311691

Mouser Part No
710-750311691

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 60 uH 150 mW

Learn More

Datasheet

453In Stock

Cut Tape

$5.86

$5.49

$5.25

$4.77

$4.29

Reel

$4.29

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

Power Transformers - Board Mount WE-FB LT3748 80 uH 300 mW

750311692
Wurth Elektronik
1: $5.87
346In Stock
350Expected 15/10/2026

Mfr. Part No.
750311692

Mouser Part No
710-750311692

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 80 uH 300 mW

Learn More

Datasheet

346In Stock

350Expected 15/10/2026

Cut Tape

$5.87

$5.50

$5.26

$4.78

Reel

$4.30

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

Power Transformers - Board Mount MID-IBTI TPS55010TER 2 uH 6 W

750311780
Wurth Elektronik
1: $5.04
485In Stock

Mfr. Part No.
750311780

Mouser Part No
710-750311780

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI TPS55010TER 2 uH 6 W

Learn More

Datasheet

485In Stock

Cut Tape

$5.04

$4.98

Reel

$4.98

$3.73

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

Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W

750311838
Wurth Elektronik
1: $3.28
202In Stock
1,200Expected 01/10/2026

Mfr. Part No.
750311838

Mouser Part No
710-750311838

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 350 uH 2.1 W

Learn More

Datasheet

202In Stock

1,200Expected 01/10/2026

Cut Tape

$3.28

$3.04

$2.57

Reel

$2.34

$1.93

View

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

Power Transformers - Board Mount WE-FB LT3748 37 uH 25 W

750311889
Wurth Elektronik
1: $8.32
1In Stock
300Expected 29/10/2026

Mfr. Part No.
750311889

Mouser Part No
710-750311889

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 37 uH 25 W

Learn More

Datasheet

1In Stock

300Expected 29/10/2026

Cut Tape

$8.32

$7.68

Reel

$6.40

$5.28

$4.64

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

Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 1.5 W

750312366
Wurth Elektronik
1: $2.85
59In Stock
3,600On Order

Mfr. Part No.
750312366

Mouser Part No
710-750312366

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 400 uH 1.5 W

Learn More

Datasheet

59In Stock

3,600On Order

Cut Tape

$2.85

$2.64

$2.24

Reel

$2.03

$1.68

Quote

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

Power Transformers - Board Mount WE-FB LTC3300 3.46 uH 5 W

750312504
Wurth Elektronik
1: $3.07
900In Stock
1,000Expected 22/10/2026

Mfr. Part No.
750312504

Mouser Part No
710-750312504

Wurth Elektronik

Power Transformers - Board Mount WE-FB LTC3300 3.46 uH 5 W

Learn More

Datasheet

900In Stock

1,000Expected 22/10/2026

Cut Tape

$3.07

$2.85

$2.63

$2.41

Reel

$2.41

View

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

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W

750312557
Wurth Elektronik
1: $3.75
468In Stock

Mfr. Part No.
750312557

Mouser Part No
710-750312557

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W

Learn More

Datasheet

468In Stock

Cut Tape

$3.75

$3.48

Reel

$2.68

Quote

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

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 7.5 W

750313442
Wurth Elektronik
1: $4.14
250In Stock

Mfr. Part No.
750313442

Mouser Part No
710-750313442

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 7.5 W

Learn More

Datasheet

250In Stock

Cut Tape

$4.14

$3.83

Reel

$2.88

Quote

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

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 7.7 W

750313445
Wurth Elektronik
1: $4.14
197In Stock
6,750On Order

Mfr. Part No.
750313445

Mouser Part No
710-750313445

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 7.7 W

Learn More

Datasheet

197In Stock

6,750On Order

Cut Tape

$4.14

$3.83

$3.48

$3.16

Reel

$2.88

$2.61

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

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.6 W

750313457
Wurth Elektronik
1: $4.14
15In Stock
2,750Expected 08/04/2027

Mfr. Part No.
750313457

Mouser Part No
710-750313457

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 9 uH 8.6 W

Learn More

Datasheet

15In Stock

2,750Expected 08/04/2027

Cut Tape

$4.14

$3.83

$3.48

$3.16

Reel

$2.88

$2.61

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

Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W

750313973
Wurth Elektronik
1: $5.25
423In Stock
1,000Expected 01/04/2027

Mfr. Part No.
750313973

Mouser Part No
710-750313973

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.3 W

Learn More

Datasheet

423In Stock

1,000Expected 01/04/2027

Cut Tape

$5.25

$4.86

$4.42

$4.02

Reel

$3.65

$3.32

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

Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W

750313976
Wurth Elektronik
1: $5.25
29In Stock
1,000Expected 17/09/2026

Mfr. Part No.
750313976

Mouser Part No
710-750313976

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8301 40 uH 3.4 W

Learn More

Datasheet

29In Stock

1,000Expected 17/09/2026

Cut Tape

$5.25

$4.86

$4.02

Reel

$3.65

$3.32

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

Power Transformers - Board Mount MID-IBTI LM5017MR 50 uH 1.5 W

750313995
Wurth Elektronik
1: $5.99
28In Stock

Mfr. Part No.
750313995

Mouser Part No
710-750313995

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM5017MR 50 uH 1.5 W

Learn More

Datasheet

28In Stock

Cut Tape

$5.99

$5.91

Reel

$5.91

$4.43

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

Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL

750314226
Wurth Elektronik
1: $6.06
52In Stock
250Expected 26/11/2026

Mfr. Part No.
750314226

Mouser Part No
710-750314226

Wurth Elektronik

Power Transformers - Board Mount WE-FB Flyback 33.8uH 1.0A 10% TOL

Learn More

Datasheet

52In Stock

250Expected 26/11/2026

Cut Tape

$6.06

$5.62

$5.19

$4.76

Reel

$4.76

View

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

Power Transformers - Board Mount MID-PPMAX MAX14855 388 uH 700 mW

750315225
Wurth Elektronik
1: $2.36
86In Stock
2,400Expected 31/12/2026

Mfr. Part No.
750315225

Mouser Part No
710-750315225

Wurth Elektronik

Power Transformers - Board Mount MID-PPMAX MAX14855 388 uH 700 mW

Learn More

Datasheet

86In Stock

2,400Expected 31/12/2026

Cut Tape

$2.36

$2.15

$1.66

Reel

$1.66

Quote

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

Power Transformers - Board Mount MID-PPMAX MAX14940 388 uH 900 mW

750315226
Wurth Elektronik
1: $2.31
810In Stock
1,200Expected 01/10/2026

Mfr. Part No.
750315226

Mouser Part No
710-750315226

Wurth Elektronik

Power Transformers - Board Mount MID-PPMAX MAX14940 388 uH 900 mW

Learn More

Datasheet

810In Stock

1,200Expected 01/10/2026

Cut Tape

$2.31

$2.18

$2.04

$1.90

$1.77

Reel

$1.55

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

Power Transformers - Board Mount MID-PPMAX MAX14855 384 uH 600 mW

750315231
Wurth Elektronik
1: $3.99
608In Stock
1,000Expected 21/09/2026

Mfr. Part No.
750315231

Mouser Part No
710-750315231

Wurth Elektronik

Power Transformers - Board Mount MID-PPMAX MAX14855 384 uH 600 mW

Learn More

Datasheet

608In Stock

1,000Expected 21/09/2026

Cut Tape

$3.99

$3.79

$3.19

Reel

$2.93

Quote

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

DC/DC Converter Transformers

Customer Service Office

Company

Resources

Support

2 V to 5.5 V
2.5 V to 3.5 V
3 V to 24 V
3 V to 6 V
3.3 V
4 V to 8 V
5 V
5 V to 32 V
6 V to 12.6 V
8 V to 15 V
8 V to 24 V
8 V to 28 V
8 V to 32 V
8 V to 40 V
8 V to 70 V
9 V to 15 V
9 V to 16 V
9 V to 18 V
9 V to 30 V
9 V to 36 V

- 200 V, 200 V
- 150 V, 150 V
- 17.5 V, 17.5 V
- 15 V, - 7.5 V, 7.5 V, 15 V
- 15 V, 15 V
- 12 V, 12 V, 24 V
- 12 V, 5 V, 12 V
- 10 V, - 5 V, 5 V, 10 V
- 7 V, - 5 V, 5 V, 7 V
- 7 V, 7 V
- 5 V, - 5 V, 12 V, 12 V
- 5 V, 5 V
- 5 V, 5 V, 15 V
- 5 V, 5 V, 24 V
3.3 V
3.3 V, 24 V
3.3 V, 3.3 V
3.63 V
4.29 V
5 V

100 mW
150 mW
300 mW
500 mW
600 mW
700 mW
800 mW
900 mW
1 W
1.1 W
1.2 W
1.3 W
1.4 W
1.5 W
1.6 W
1.7 W
1.8 W
1.9 W
2 W
2.1 W

1 mA
1 mA, 1 mA
2 mA, 2 mA
5 mA, 30 mA
15 mA
20 mA, 20 mA, 100 mA
20 mA, 40 mA, 40 mA
20 mA, 40 mA, 50 mA
25 mA, 25 mA, 80 mA, 80 mA
25 mA, 50 mA
30 mA
30 mA, 30 mA
30 mA, 30 mA, 80 mA, 80 mA
30 mA, 45 mA
33 mA, 100 mA, 100 mA
35 mA, 35 mA
40 mA, 40 mA, 100 mA
45 mA
50 mA
50 mA, 50 mA

6.6 mm
6.73 mm
7 mm
8.26 mm
8.35 mm
9.14 mm
9.78 mm
10 mm
10.16 mm
10.8 mm
12.95 mm
13.34 mm
13.35 mm
13.46 mm
13.72 mm
13.97 mm
14.22 mm
14.6 mm
15.24 mm
15.49 mm

6.91 mm
8.26 mm
8.6 mm
9.1 mm
9.14 mm
9.5 mm
9.78 mm
10.05 mm
10.41 mm
10.46 mm
10.8 mm
12.21 mm
12.7 mm
12.85 mm
12.95 mm
13.34 mm
13.35 mm
13.36 mm
14 mm
14.21 mm

4 mm
4.19 mm
5 mm
5.59 mm
5.97 mm
5.98 mm
6.35 mm
6.99 mm
7.62 mm
7.8 mm
8.5 mm
8.64 mm
9.14 mm
9.4 mm
9.65 mm
10.41 mm
10.54 mm
11.43 mm
12 mm
12.7 mm