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
594In 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

594In 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

MagI3C-FDSM

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

173010535
Wurth Elektronik
1: Rp124.753
663In 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

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Datasheet

663In 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

MagI3C-FDSM

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

173950336
Wurth Elektronik
1: Rp107.691
717In Stock
473Expected 21/08/2026

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

717In Stock

473Expected 21/08/2026

Rp107.691

Rp101.453

Rp101.270

Rp94.849

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: Rp119.616
1.528In 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

1.528In Stock

Rp119.616

Rp112.644

Rp105.490

Rp99.802

Rp98.335

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: Rp101.820
677In 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

677In Stock

Rp101.820

Rp93.932

Rp87.327

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: Rp256.844
69In Stock
42Expected 21/08/2026

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 21/08/2026

Rp256.844

Rp251.707

Rp241.984

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: Rp144.933
108In 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

108In Stock

Rp144.933

Rp137.962

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: Rp287.482
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

Rp287.482

Rp255.743

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: 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

Rp171.719

Rp164.564

Rp164.380

Rp143.099

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: Rp101.820
32In Stock
88Expected 21/08/2026

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 21/08/2026

Rp101.820

Rp93.932

Rp87.510

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: Rp98.151
296In Stock
258Expected 21/08/2026

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

296In Stock

258Expected 21/08/2026

Rp98.151

Rp90.262

Rp83.291

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: Rp135.760
124In Stock
588Expected 21/08/2026

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

124In Stock

588Expected 21/08/2026

Rp135.760

Rp128.422

Rp124.753

Rp121.084

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: 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

Rp124.753

Rp121.084

Rp117.414

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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