DC/DC Converters - Through Hole

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MagI³C FDSM Fixed Step Down Regulator Modules

Würth Elektronik MagI³C FDSM Fixed Step-Down Regulator Modules are fully integrated, fixed-output voltage DC/DC power supplies. These modules combine the switching power stage, control circuitry, inductor, and input and output capacitors in one package. The FDSM modules do not require any external components for operation. The standard THT package allows easy assembly and is pin-compatible with LM78 linear regulators. The modules comply with the low-noise electromagnetic emission norm EN 55022 class B. These FDSM modules provide peak efficiency up to 95% and a fixed output voltage of 3.3V or 5V. Ideal applications include point-of-load, replacements for linear regulators, interface and microcontroller supplies, and general-purpose supplies.

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Part #

DC/DC Converters - Through Hole FDSM THT 3.3V 1A 6-36V Input

173010335
Wurth Elektronik
1: $9.79
604In Stock
1,462On Order

Mfr. Part #
173010335

Mouser Part #
710-173010335

Wurth Elektronik

DC/DC Converters - Through Hole FDSM THT 3.3V 1A 6-36V Input

Learn More

Datasheet

604In Stock

1,462On Order

$9.79

$9.26

$8.70

$8.27

Min.: 1
Mult.: 1

Non-Isolated

1 Output

6 V

36 V

3.3 V

1 A

SIP-3

11.6 mm (0.457 in)

10.4 mm (0.409 in)

8 mm (0.315 in)

Industrial

MagI3C-FDSM

DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Regulator Module

173010535
Wurth Elektronik
1: $9.79
814In Stock
1,290On Order

Mfr. Part #
173010535

Mouser Part #
710-173010535

Wurth Elektronik

DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Regulator Module

Learn More

Datasheet

814In Stock

1,290On Order

$9.79

$9.26

$8.70

$8.27

Min.: 1
Mult.: 1

Non-Isolated

1 Output

6 V

36 V

5 V

1 A

SIP-3

11.6 mm (0.457 in)

10.4 mm (0.409 in)

8 mm (0.315 in)

Industrial

MagI3C-FDSM

DC/DC Converters - Through Hole FDSM THT 3.3V 0.5A 4.75-36V Input

173950336
Wurth Elektronik
1: $8.45
717In Stock
473Expected 2026-08-14

Mfr. Part #
173950336

Mouser Part #
710-173950336

Wurth Elektronik

DC/DC Converters - Through Hole FDSM THT 3.3V 0.5A 4.75-36V Input

Learn More

Datasheet

717In Stock

473Expected 2026-08-14

$8.45

$7.96

$7.95

$7.44

View

Min.: 1
Mult.: 1

Non-Isolated

1 Output

4.75 V

36 V

3.3 V

500 mA

SIP-3

11.6 mm (0.457 in)

10.6 mm (0.417 in)

7.55 mm (0.297 in)

Industrial

MagI3C-FDSM

DC/DC Converters - Through Hole MagI3C-FDSM Fixed Step Down Regulator Module, SIP-3 Type F

173950536
Wurth Elektronik
1: $9.39
1,533In Stock

Mfr. Part #
173950536

Mouser Part #
710-173950536

Wurth Elektronik

DC/DC Converters - Through Hole MagI3C-FDSM Fixed Step Down Regulator Module, SIP-3 Type F

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Datasheet

1,533In Stock

$9.39

$8.84

$8.28

$7.83

$7.72

Min.: 1
Mult.: 1

Non-Isolated

1 Output

6.5 V

36 V

5 V

500 mA

SIP-3

11.6 mm (0.457 in)

7.5 mm (0.295 in)

10.16 mm (0.4 in)

Industrial

MagI3C-FDSM

DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Reg MagI3C Power Module 0.5A SIP-3 11.5 x 9.0 x 17.5mm

173951275
Wurth Elektronik
1: $7.99
680In Stock

Mfr. Part #
173951275

Mouser Part #
710-173951275

Wurth Elektronik

DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Reg MagI3C Power Module 0.5A SIP-3 11.5 x 9.0 x 17.5mm

Learn More

Datasheet

680In Stock

$7.99

$7.37

$6.85

Min.: 1
Mult.: 1

Non-Isolated

1 Output

18 V

74.5 V

12 V

500 mA

SIP-3

11.5 mm (0.453 in)

8.5 mm (0.335 in)

17.5 mm (0.689 in)

Industrial

WPME-FDSM

DC/DC Converters - Through Hole FDSM THT 3.3V 1A 7-42V Input

173010342
Wurth Elektronik
1: $20.16
74In Stock
42Expected 2026-08-14

Mfr. Part #
173010342

Mouser Part #
710-173010342

Wurth Elektronik

DC/DC Converters - Through Hole FDSM THT 3.3V 1A 7-42V Input

Learn More

Datasheet

74In Stock

42Expected 2026-08-14

$20.16

$19.76

$18.99

Min.: 1
Mult.: 1

Non-Isolated

1 Output

3.3 W

7 V

42 V

3.3 V

1 A

SIP-3

11.6 mm (0.457 in)

8.5 mm (0.335 in)

10.5 mm (0.413 in)

Industrial

MagI3C-FDSM

DC/DC Converters - Through Hole FDSM THT 3.3V 1A 7-28V Input

173010378
Wurth Elektronik
1: $11.38
108In Stock

Mfr. Part #
173010378

Mouser Part #
710-173010378

Wurth Elektronik

DC/DC Converters - Through Hole FDSM THT 3.3V 1A 7-28V Input

Learn More

Datasheet

108In Stock

$11.38

$10.83

Min.: 1
Mult.: 1

Non-Isolated

1 Output

3.3 W

7 V

28 V

3.3 V

1 A

SIP-3

11.6 mm (0.457 in)

8.5 mm (0.335 in)

10.5 mm (0.413 in)

Industrial

MagI3C-FDSM

DC/DC Converters - Through Hole FDSM THT 5V 1A 8-42V Input

173010542
Wurth Elektronik
1: $22.56
9In Stock
1,806On Order

Mfr. Part #
173010542

Mouser Part #
710-173010542

Wurth Elektronik

DC/DC Converters - Through Hole FDSM THT 5V 1A 8-42V Input

Learn More

Datasheet

9In Stock

1,806On Order

$22.56

$20.07

Min.: 1
Mult.: 1

Non-Isolated

1 Output

5 W

8 V

42 V

5 V

1 A

SIP-3

11.6 mm (0.457 in)

8.5 mm (0.335 in)

10.5 mm (0.413 in)

Industrial

MagI3C-FDSM

DC/DC Converters - Through Hole FDSM THT 5V 1A 8-28V Input

173010578
Wurth Elektronik
1: $13.49
17In Stock
3,654On Order

Mfr. Part #
173010578

Mouser Part #
710-173010578

Wurth Elektronik

DC/DC Converters - Through Hole FDSM THT 5V 1A 8-28V Input

Learn More

Datasheet

17In Stock

3,654On Order

$13.49

$13.48

$12.92

$12.90

$11.23

Min.: 1
Mult.: 1

Non-Isolated

1 Output

5 W

8 V

28 V

5 V

1 A

SIP-3

11.6 mm (0.457 in)

8.5 mm (0.335 in)

10.5 mm (0.413 in)

Industrial

MagI3C-FDSM

DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Reg Module MagI3C 0.5 A SIP-3 11.5 x 9.0 x 17.5 mm

173950375
Wurth Elektronik
1: $7.99
44In Stock
88Expected 2026-08-14

Mfr. Part #
173950375

Mouser Part #
710-173950375

Wurth Elektronik

DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Reg Module MagI3C 0.5 A SIP-3 11.5 x 9.0 x 17.5 mm

Learn More

Datasheet

44In Stock

88Expected 2026-08-14

$7.99

$7.37

$6.87

Min.: 1
Mult.: 1

Non-Isolated

1 Output

9 V

74.5 V

3.3 V

500 mA

11.5 mm (0.453 in)

9 mm (0.354 in)

17.5 mm (0.689 in)

Industrial

WPME-FDSM

DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Regulator Module

173950575
Wurth Elektronik
1: $7.70
296In Stock
258Expected 2026-08-14

Mfr. Part #
173950575

Mouser Part #
710-173950575

Wurth Elektronik

DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Regulator Module

Learn More

Datasheet

296In Stock

258Expected 2026-08-14

$7.70

$7.08

$6.54

Min.: 1
Mult.: 1

Non-Isolated

1 Output

9 V

74.5 V

5 V

500 mA

11.5 mm (0.453 in)

9 mm (0.354 in)

17.5 mm (0.689 in)

Industrial

WPME-FDSM

DC/DC Converters - Through Hole FDSM THT 5V 0.5A 7-28V Input

173950578
Wurth Elektronik
1: $10.66
121In Stock
588Expected 2026-08-14

Mfr. Part #
173950578

Mouser Part #
710-173950578

Wurth Elektronik

DC/DC Converters - Through Hole FDSM THT 5V 0.5A 7-28V Input

Learn More

Datasheet

121In Stock

588Expected 2026-08-14

$10.66

$10.08

$9.79

$9.50

Min.: 1
Mult.: 1

Non-Isolated

1 Output

6 V

28 V

5 V

500 mA

SIP-3

11.6 mm (0.457 in)

8.5 mm (0.335 in)

10.5 mm (0.413 in)

Industrial

MagI3C-FDSM

DC/DC Converters - Through Hole FDSM THT 3.3V 0.5A 6-28V Input

173950378
Wurth Elektronik
1: $10.37
415Expected 2026-11-06

Mfr. Part #
173950378

Mouser Part #
710-173950378

Wurth Elektronik

DC/DC Converters - Through Hole FDSM THT 3.3V 0.5A 6-28V Input

Learn More

Datasheet

415Expected 2026-11-06

$10.37

$9.79

$9.50

$9.22

Min.: 1
Mult.: 1

Non-Isolated

1 Output

6 V

28 V

3.3 V

500 mA

SIP-3

11.6 mm (0.457 in)

8.5 mm (0.335 in)

10.5 mm (0.413 in)

Industrial

MagI3C-FDSM

MagI³C FDSM Fixed Step Down Regulator Modules

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