DC/DC Converters - Through Hole

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MEF1 Isolated 1W Single Output DC/DC Converters

Murata Power Solutions MEF1 Isolated 1W Regulated Single Output DC/DC Converters are used where a tightly regulated supply is required by offering an output regulation of <1%. The MEF1 components are fully encapsulated with toroidal magnetics in an SMD-constructed package with through hole mounting and short-circuit protection. The single rail regulated output makes them an ideal choice for power sensors; such as pressure transducers, hall effect sensors, and mass air-flow sensors.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) 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	Isolation Voltage	Length	Width	Height	Industry	Maximum Operating Temperature	Minimum Operating Temperature	Series
DC/DC Converters - Through Hole 1W 3.3VIN 3.3VOUT DC/DC MEF1S0303SP3C Murata Power Solutions 1: Rp108.608 5In Stock 50Expected 01/03/2027	Mfr. Part No. MEF1S0303SP3C Mouser Part No 580-MEF1S0303SP3C	Murata Power Solutions	DC/DC Converters - Through Hole 1W 3.3VIN 3.3VOUT DC/DC Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	5In Stock 50Expected 01/03/2027	Rp108.608 Rp105.490 Rp103.838 Rp90.079 View Rp88.795 Rp87.510 Rp86.226 Rp85.676	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	3.5 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)		+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 3.3VIN 5VOUT DC/DC MEF1S0305SP3C Murata Power Solutions 1: Rp110.626 47In Stock	Mfr. Part No. MEF1S0305SP3C Mouser Part No 580-MEF1S0305SP3C	Murata Power Solutions	DC/DC Converters - Through Hole 1W 3.3VIN 5VOUT DC/DC Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	47In Stock	Rp110.626 Rp109.893 Rp108.058 Rp98.885 View Rp96.683 Rp95.583	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	3.5 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 4.75-5.25VIN 3.3VOUT 1W MEF1S0503SP3C Murata Power Solutions 1: Rp108.608 28In Stock	Mfr. Part No. MEF1S0503SP3C Mouser Part No 580-MEF1S0503SP3C	Murata Power Solutions	DC/DC Converters - Through Hole 4.75-5.25VIN 3.3VOUT 1W Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	28In Stock	Rp108.608 Rp105.490 Rp104.022 Rp103.655 View Rp96.317 Rp95.032 Rp93.565 Rp93.014	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	3.5 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)		+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole DC/DC TH 1W 5V-3.3V SIP Single MEF1S0503SPC Murata Power Solutions 1: Rp98.701 49In Stock	Mfr. Part No. MEF1S0503SPC Mouser Part No 580-MEF1S0503SPC	Murata Power Solutions	DC/DC Converters - Through Hole DC/DC TH 1W 5V-3.3V SIP Single Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	49In Stock	Rp98.701 Rp95.950 Rp94.482 Rp89.162 View Rp87.877 Rp86.593 Rp85.309 Rp84.942	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	1 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole DC/DC TH 1W 12V-3.3V SIP Single MEF1S1203SP3C Murata Power Solutions 1: Rp111.727 49In Stock	Mfr. Part No. MEF1S1203SP3C Mouser Part No 580-MEF1S1203SP3C	Murata Power Solutions	DC/DC Converters - Through Hole DC/DC TH 1W 12V-3.3V SIP Single Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	49In Stock	Rp111.727 Rp108.792 Rp106.957 Rp103.471 View Rp99.802 Rp97.784 Rp95.583 Rp94.849	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	3.5 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 12VIN 5VOUT DC/DC MEF1S1205SP3C Murata Power Solutions 1: Rp111.727 41In Stock 25Expected 14/12/2026	Mfr. Part No. MEF1S1205SP3C Mouser Part No 580-MEF1S1205SP3C	Murata Power Solutions	DC/DC Converters - Through Hole 1W 12VIN 5VOUT DC/DC Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	41In Stock 25Expected 14/12/2026	Rp111.727 Rp107.508 Rp105.856 Rp103.655 View Rp96.317 Rp94.849 Rp93.565 Rp92.647	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	3.5 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole DC/DC TH 1W 24V-3.3V SIP Single MEF1S2403SP3C Murata Power Solutions 1: Rp111.727 75In Stock 100Expected 01/03/2027	Mfr. Part No. MEF1S2403SP3C Mouser Part No 580-MEF1S2403SP3C	Murata Power Solutions	DC/DC Converters - Through Hole DC/DC TH 1W 24V-3.3V SIP Single Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	75In Stock 100Expected 01/03/2027	Rp111.727 Rp108.792 Rp106.957 Rp103.471 View Rp101.820 Rp100.169 Rp97.784 Rp96.500 Rp96.317	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	3.5 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 24VIN 5VOUT DC/DC MEF1S2405SP3C Murata Power Solutions 1: Rp111.727 78In Stock 400On Order	Mfr. Part No. MEF1S2405SP3C Mouser Part No 580-MEF1S2405SP3C	Murata Power Solutions	DC/DC Converters - Through Hole 1W 24VIN 5VOUT DC/DC Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	78In Stock 400On Order On Order Ship Dates Mfr. No: MEF1S2405SP3C Stock: 78 Can Dispatch Immediately On Order: 250 Expected 14/12/2026 150 Expected 05/04/2027 Factory Lead Time: 12 Weeks	Rp111.727 Rp107.508 Rp105.856 Rp103.655 View Rp102.004 Rp94.482 Rp93.014 Rp92.280	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	3.5 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 24VIN 5VOUT DC/DC MEF1S2405SPC Murata Power Solutions 1: Rp98.701 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. MEF1S2405SPC Mouser Part No 580-MEF1S2405SPC	Murata Power Solutions	DC/DC Converters - Through Hole 1W 24VIN 5VOUT DC/DC Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Rp98.701 Rp95.950 Rp94.482 Rp89.528 View Rp88.978 Rp87.694 Rp85.492 Rp84.942 Rp84.759	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	1 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 5VIN 5VOUT DC/DC MEF1S0505SP3C Murata Power Solutions 1: Rp100.720 2.199On Order	Mfr. Part No. MEF1S0505SP3C Mouser Part No 580-MEF1S0505SP3C	Murata Power Solutions	DC/DC Converters - Through Hole 1W 5VIN 5VOUT DC/DC Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	2.199On Order On Order Ship Dates Mfr. No: MEF1S0505SP3C Stock: 0 On Order: 549 Expected 14/12/2026 825 Expected 21/01/2027 825 Expected 05/04/2027 Factory Lead Time: 12 Weeks	Rp100.720 Rp99.068 Rp97.784 Rp91.363 View Rp89.528 Rp88.428 Rp87.877	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	3.5 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 5VIN 5VOUT DC/DC MEF1S0505SPC Murata Power Solutions 1: Rp97.784 605Expected 27/10/2026	Mfr. Part No. MEF1S0505SPC Mouser Part No 580-MEF1S0505SPC	Murata Power Solutions	DC/DC Converters - Through Hole 1W 5VIN 5VOUT DC/DC Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	605Expected 27/10/2026	Rp97.784 Rp95.950 Rp94.665 Rp89.528 View Rp88.978 Rp87.510 Rp85.309 Rp84.208	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	1 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole DC/DC TH 1W 3.3V-3.3V SIP Single MEF1S0303SPC Murata Power Solutions 1: Rp100.536 48Expected 30/11/2026	Mfr. Part No. MEF1S0303SPC Mouser Part No 580-MEF1S0303SPC	Murata Power Solutions	DC/DC Converters - Through Hole DC/DC TH 1W 3.3V-3.3V SIP Single Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	48Expected 30/11/2026	Rp100.536 Rp98.885 Rp97.417 Rp93.198 View Rp91.730 Rp90.079 Rp87.877 Rp86.593	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	1 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 3.3V-5V SIP SINGLE MEF1S0305SPC Murata Power Solutions 1: Rp100.536 8Expected 11/01/2027	Mfr. Part No. MEF1S0305SPC Mouser Part No 580-MEF1S0305SPC	Murata Power Solutions	DC/DC Converters - Through Hole 1W 3.3V-5V SIP SINGLE Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	8Expected 11/01/2027	Rp100.536 Rp98.885 Rp97.417 Rp93.198 View Rp91.730 Rp90.262 Rp87.877 Rp86.777	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	1 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 12VIN 3.3VOUT DC/DC MEF1S1203SPC Murata Power Solutions 1: Rp98.701 150Expected 01/03/2027	Mfr. Part No. MEF1S1203SPC Mouser Part No 580-MEF1S1203SPC	Murata Power Solutions	DC/DC Converters - Through Hole 1W 12VIN 3.3VOUT DC/DC Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	150Expected 01/03/2027	Rp98.701 Rp95.950 Rp94.482 Rp88.428 View Rp87.144 Rp86.043 Rp84.759 Rp84.208	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	1 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 24VIN 3.3VOUT DC/DC MEF1S2403SPC Murata Power Solutions 1: Rp98.701 50Expected 14/12/2026	Mfr. Part No. MEF1S2403SPC Mouser Part No 580-MEF1S2403SPC	Murata Power Solutions	DC/DC Converters - Through Hole 1W 24VIN 3.3VOUT DC/DC Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	50Expected 14/12/2026	Rp98.701 Rp95.950 Rp94.482 Rp88.428 View Rp87.144 Rp86.043 Rp84.575 Rp84.025	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	3.3 V	303 mA	1 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole DC/DC TH 1W 12V-5V SIP Single MEF1S1205SPC Murata Power Solutions 1: Rp101.820 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. MEF1S1205SPC Mouser Part No 580-MEF1S1205SPC	Murata Power Solutions	DC/DC Converters - Through Hole DC/DC TH 1W 12V-5V SIP Single Learn More about Murata Power Solutions murata MEF1 DCDC converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Rp101.820 Rp98.885 Rp97.417 Rp93.198 View Rp91.547 Rp89.895 Rp87.877 Rp87.144 Rp86.960	Min.: 1 Mult.: 1	Isolated	1 Output	1 W	5 V	200 mA	1 kV	19.65 mm (0.774 in)	6.15 mm (0.242 in)	10.15 mm (0.4 in)	Medical, Industrial	+ 85 C	- 40 C	MEF1

MEF1 Isolated 1W Single Output DC/DC Converters

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