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: $6.80
675In Stock

Mfr. Part No.
173010335

Mouser Part No
710-173010335

Wurth Elektronik

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

Learn More

Datasheet

675In Stock

$6.80

$6.43

$6.04

$5.74

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: $6.80
581In Stock

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

581In Stock

$6.80

$6.43

$6.04

$5.74

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: $5.87
646In Stock

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

Learn More

Datasheet

646In Stock

$5.87

$5.53

$5.52

$5.17

View

Min.: 1
Mult.: 1

Non-Isolated

1 Output

24 V

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 FDSM THT 5V 0.5A 7-28V Input

173950578
Wurth Elektronik
1: $6.34
554In Stock

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

554In Stock

$6.34

$6.00

$5.60

$5.31

View

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 5V 1A 8-28V Input

173010578
Wurth Elektronik
1: $7.29
871In Stock

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

871In Stock

$7.29

$6.75

$6.68

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 MagI3C Power Module 0.5A SIP-3 11.5 x 9.0 x 17.5mm

173951275
Wurth Elektronik
1: $5.42
584In 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

Learn More

Datasheet

584In Stock

$5.42

$4.96

$4.69

$4.50

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: $11.04
30In Stock
84Expected 20/02/2026

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

30In Stock

84Expected 20/02/2026

$11.04

$10.04

$9.29

$9.25

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 0.5A 6-28V Input

173950378
Wurth Elektronik
1: $6.34
30In Stock
84On Order

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

30In Stock

84On Order

$6.34

$6.00

$5.60

$5.31

View

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

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

173010542
Wurth Elektronik
1: $11.04
836On 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

836On Order

$11.04

$10.04

$9.29

$9.25

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 MagI3C-FDSM Fixed Step Down Regulator Module, SIP-3 Type F

173950536
Wurth Elektronik
1: $6.52
980Expected 20/02/2026

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

Learn More

Datasheet

980Expected 20/02/2026

$6.52

$6.14

$5.75

$5.44

$5.36

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 FDSM THT 3.3V 1A 7-28V Input

173010378
Wurth Elektronik
1: $7.29
168Expected 20/02/2026

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

168Expected 20/02/2026

$7.29

$6.75

$6.68

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 WPME-FDSM Fixed Step Down Regulator Module

173950575
Wurth Elektronik
1: $5.42
287On Order

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

287On Order

$5.42

$4.96

$4.69

$4.50

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 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: $5.42
Non-Stocked Lead-Time 14 Weeks

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

Non-Stocked Lead-Time 14 Weeks

$5.42

$4.96

$4.69

$4.50

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

MagI³C FDSM Fixed Step Down Regulator Modules

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