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: Rp124.753
579In Stock
1.462On Order

Mfr. Part No.
173010335

Mouser Part No
710-173010335

Wurth Elektronik

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

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Datasheet

579In Stock

1.462On Order

Rp124.753

Rp117.965

Rp110.810

Rp105.306

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

+ 85 C

- 40 C

MagI3C-FDSM

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

173010535
Wurth Elektronik
1: Rp124.753
645In Stock
1.290On Order

Mfr. Part No.
173010535

Mouser Part No
710-173010535

Wurth Elektronik

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

Learn More

Datasheet

645In Stock

1.290On Order

Rp124.753

Rp117.965

Rp110.810

Rp105.306

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

+ 85 C

- 40 C

MagI3C-FDSM

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

173950336
Wurth Elektronik
1: Rp119.616
701In Stock
473Expected 28/08/2026

Mfr. Part No.
173950336

Mouser Part No
710-173950336

Wurth Elektronik

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

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Datasheet

701In Stock

473Expected 28/08/2026

Rp119.616

Rp112.644

Rp105.490

Rp99.802

Rp98.335

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

+ 85 C

- 40 C

MagI3C-FDSM

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

173950536
Wurth Elektronik
1: Rp119.616
1.308In Stock

Mfr. Part No.
173950536

Mouser Part No
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

1.308In Stock

Rp119.616

Rp112.644

Rp105.490

Rp99.802

Rp98.518

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

+ 85 C

- 40 C

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: Rp101.820
664In Stock

Mfr. Part No.
173951275

Mouser Part No
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

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Datasheet

664In Stock

Rp101.820

Rp93.932

Rp87.694

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

+ 85 C

- 40 C

WPME-FDSM

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

173010342
Wurth Elektronik
1: Rp267.485
69In Stock
42Expected 28/08/2026

Mfr. Part No.
173010342

Mouser Part No
710-173010342

Wurth Elektronik

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

Learn More

Datasheet

69In Stock

42Expected 28/08/2026

Rp267.485

Rp264.733

Rp259.046

Rp252.624

Rp252.441

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

+ 85 C

- 40 C

MagI3C-FDSM

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

173010378
Wurth Elektronik
1: Rp141.998
103In Stock

Mfr. Part No.
173010378

Mouser Part No
710-173010378

Wurth Elektronik

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

Learn More

Datasheet

103In Stock

Rp141.998

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

+ 85 C

- 40 C

MagI3C-FDSM

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

173010542
Wurth Elektronik
1: Rp296.838
9In Stock
1.806On Order

Mfr. Part No.
173010542

Mouser Part No
710-173010542

Wurth Elektronik

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

Learn More

Datasheet

9In Stock

1.806On Order

Rp296.838

Rp296.655

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

+ 85 C

- 40 C

MagI3C-FDSM

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

173010578
Wurth Elektronik
1: Rp171.902
17In Stock
3.654On Order

Mfr. Part No.
173010578

Mouser Part No
710-173010578

Wurth Elektronik

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

Learn More

Datasheet

17In Stock

3.654On Order

Rp171.902

Rp158.326

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

+ 85 C

- 40 C

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: Rp101.820
32In Stock
88Expected 28/08/2026

Mfr. Part No.
173950375

Mouser Part No
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

32In Stock

88Expected 28/08/2026

Rp101.820

Rp93.932

Rp87.877

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

+ 85 C

- 40 C

WPME-FDSM

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

173950575
Wurth Elektronik
1: Rp98.151
294In Stock
258Expected 28/08/2026

Mfr. Part No.
173950575

Mouser Part No
710-173950575

Wurth Elektronik

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

Learn More

Datasheet

294In Stock

258Expected 28/08/2026

Rp98.151

Rp90.262

Rp83.474

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

+ 85 C

- 40 C

WPME-FDSM

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

173950578
Wurth Elektronik
1: Rp135.760
185In Stock
588Expected 04/09/2026

Mfr. Part No.
173950578

Mouser Part No
710-173950578

Wurth Elektronik

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

Learn More

Datasheet

185In Stock

588Expected 04/09/2026

Rp135.760

Rp130.440

Rp128.422

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

+ 85 C

- 40 C

MagI3C-FDSM

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

173950378
Wurth Elektronik
1: Rp132.091
415Expected 06/11/2026

Mfr. Part No.
173950378

Mouser Part No
710-173950378

Wurth Elektronik

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

Learn More

Datasheet

415Expected 06/11/2026

Rp132.091

Rp128.239

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

+ 85 C

- 40 C

MagI3C-FDSM

MagI³C FDSM Fixed Step Down Regulator Modules

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