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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Isolation	Number of Outputs	Output Power	Output Voltage-Channel 1	Output Current-Channel 1	Package / Case	Length	Width	Height	Industry	Maximum Operating Temperature	Minimum Operating Temperature	Series
DC/DC Converters - Through Hole FDSM THT 3.3V 1A 6-36V Input 173010335 Wurth Elektronik 1: ¥1,073 2,551In Stock	Mfr. Part # 173010335 Mouser Part # 710-173010335	Wurth Elektronik	DC/DC Converters - Through Hole FDSM THT 3.3V 1A 6-36V Input Learn More about Wurth Elektronik wurth fdsm power modules	Datasheet	2,551In Stock	¥1,073 ¥1,014.9 ¥955.1	Min.: 1 Mult.: 1	Non-Isolated	1 Output		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 FDSM THT 5V 1A 8-42V Input 173010542 Wurth Elektronik 1: ¥2,685.8 1,107In Stock 798Expected 11/13/2026	Mfr. Part # 173010542 Mouser Part # 710-173010542	Wurth Elektronik	DC/DC Converters - Through Hole FDSM THT 5V 1A 8-42V Input Learn More about Wurth Elektronik wurth fdsm power modules	Datasheet	1,107In Stock 798Expected 11/13/2026	¥2,685.8	Min.: 1 Mult.: 1	Non-Isolated	1 Output	5 W	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 3.3V 1A 7-42V Input 173010342 Wurth Elektronik 1: ¥2,727.4 124In Stock	Mfr. Part # 173010342 Mouser Part # 710-173010342	Wurth Elektronik	DC/DC Converters - Through Hole FDSM THT 3.3V 1A 7-42V Input Learn More about Wurth Elektronik wurth fdsm power modules	Datasheet	124In Stock	¥2,727.4 ¥2,725.7 ¥2,541.3	Min.: 1 Mult.: 1	Non-Isolated	1 Output	3.3 W	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 WPME-FDSM Fixed Step Down Regulator Module 173010535 Wurth Elektronik 1: ¥1,073 2,034In Stock 43On Order	Mfr. Part # 173010535 Mouser Part # 710-173010535	Wurth Elektronik	DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Regulator Module Learn More about Wurth Elektronik wurth fdsm power modules	Datasheet	2,034In Stock 43On Order	¥1,073 ¥1,014.9 ¥955.1	Min.: 1 Mult.: 1	Non-Isolated	1 Output		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 5V 1A 8-28V Input 173010578 Wurth Elektronik 1: ¥1,433.4 610In Stock 3,024Expected 11/10/2026	Mfr. Part # 173010578 Mouser Part # 710-173010578	Wurth Elektronik	DC/DC Converters - Through Hole FDSM THT 5V 1A 8-28V Input Learn More about Wurth Elektronik wurth fdsm power modules	Datasheet	610In Stock 3,024Expected 11/10/2026	¥1,433.4	Min.: 1 Mult.: 1	Non-Isolated	1 Output	5 W	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 3.3V 0.5A 4.75-36V Input 173950336 Wurth Elektronik 1: ¥1,028.2 1,736In Stock	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 about Wurth Elektronik wurth fdsm power modules	Datasheet	1,736In Stock	¥1,028.2 ¥970 ¥908.6 ¥903.6	Min.: 1 Mult.: 1	Non-Isolated	1 Output		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: ¥1,028.2 2,117In 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 Learn More about Wurth Elektronik wurth fdsm power modules	Datasheet	2,117In Stock	¥1,028.2 ¥970 ¥908.6 ¥903.6	Min.: 1 Mult.: 1	Non-Isolated	1 Output		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 Regulator Module 173950575 Wurth Elektronik 1: ¥784 474In Stock	Mfr. Part # 173950575 Mouser Part # 710-173950575	Wurth Elektronik	DC/DC Converters - Through Hole WPME-FDSM Fixed Step Down Regulator Module Learn More about Wurth Elektronik wurth fdsm power modules	Datasheet	474In Stock	¥784 ¥759.1	Min.: 1 Mult.: 1	Non-Isolated	1 Output		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: ¥1,204.2 599In Stock	Mfr. Part # 173950578 Mouser Part # 710-173950578	Wurth Elektronik	DC/DC Converters - Through Hole FDSM THT 5V 0.5A 7-28V Input Learn More about Wurth Elektronik wurth fdsm power modules	Datasheet	599In Stock	¥1,204.2	Min.: 1 Mult.: 1	Non-Isolated	1 Output		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 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: ¥802.3 416In Stock 258Expected 11/20/2026	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 about Wurth Elektronik wurth fdsm power modules	Datasheet	416In Stock 258Expected 11/20/2026	¥802.3	Min.: 1 Mult.: 1	Non-Isolated	1 Output		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 7-28V Input 173010378 Wurth Elektronik 1: ¥1,285.6 162In 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 about Wurth Elektronik wurth fdsm power modules	Datasheet	162In Stock	¥1,285.6	Min.: 1 Mult.: 1	Non-Isolated	1 Output	3.3 W	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 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: ¥803.9 170In Stock	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 about Wurth Elektronik wurth fdsm power modules	Datasheet	170In Stock	¥803.9	Min.: 1 Mult.: 1	Non-Isolated	1 Output		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 FDSM THT 3.3V 0.5A 6-28V Input 173950378 Wurth Elektronik 1: ¥1,195.9 415Expected 11/27/2026	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 about Wurth Elektronik wurth fdsm power modules	Datasheet	415Expected 11/27/2026	¥1,195.9 ¥1,161	Min.: 1 Mult.: 1	Non-Isolated	1 Output		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

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MagI³C FDSM Fixed Step Down Regulator Modules

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