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 (CLP) 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: $6.500 5In Stock 50Expected 3/1/2027	Mfr. Part # MEF1S0303SP3C Mouser Part # 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 3/1/2027	$6.500 $6.313 $6.214 $5.391 View $5.314 $5.237 $5.160 $5.127	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: $6.621 53In Stock	Mfr. Part # MEF1S0305SP3C Mouser Part # 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	53In Stock	$6.621 $6.577 $6.467 $5.918 View $5.786 $5.720	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: $6.500 28In Stock	Mfr. Part # MEF1S0503SP3C Mouser Part # 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	$6.500 $6.313 $6.225 $6.203 View $5.764 $5.687 $5.600 $5.567	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 12V-3.3V SIP Single MEF1S1203SP3C Murata Power Solutions 1: $6.687 49In Stock	Mfr. Part # MEF1S1203SP3C Mouser Part # 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	$6.687 $6.511 $6.401 $6.192 View $5.973 $5.852 $5.720 $5.676	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)	Medical, Industrial	+ 85 C	- 40 C	MEF1
DC/DC Converters - Through Hole 1W 12VIN 5VOUT DC/DC MEF1S1205SP3C Murata Power Solutions 1: $6.687 41In Stock 25Expected 12/14/2026	Mfr. Part # MEF1S1205SP3C Mouser Part # 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 12/14/2026	$6.687 $6.434 $6.335 $6.203 View $5.764 $5.676 $5.600 $5.545	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: $6.687 75In Stock 100Expected 3/1/2027	Mfr. Part # MEF1S2403SP3C Mouser Part # 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 3/1/2027	$6.687 $6.511 $6.401 $6.192 View $6.094 $5.995 $5.852 $5.775 $5.764	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: $6.687 90In Stock 400On Order	Mfr. Part # MEF1S2405SP3C Mouser Part # 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	90In Stock 400On Order On Order Ship Dates Mfr. #: MEF1S2405SP3C Stock: 90 Can Ship Immediately On Order: 250 Expected 12/14/2026 150 Expected 4/5/2027 Factory Lead-Time: 12 Weeks	$6.687 $6.434 $6.335 $6.203 View $6.105 $5.654 $5.567 $5.523	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: $5.907 73In Stock 50Expected 10/5/2026	Mfr. Part # MEF1S2405SPC Mouser Part # 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	73In Stock 50Expected 10/5/2026	$5.907 $5.742 $5.654 $5.358 View $5.325 $5.248 $5.116 $5.084 $5.073	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: $6.028 2.199On Order	Mfr. Part # MEF1S0505SP3C Mouser Part # 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. #: MEF1S0505SP3C Stock: 0 On Order: 549 Expected 12/14/2026 825 Expected 1/21/2027 825 Expected 4/5/2027 Factory Lead-Time: 12 Weeks	$6.028 $5.929 $5.852 $5.468 View $5.358 $5.292 $5.259	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: $5.852 605Expected 10/5/2026	Mfr. Part # MEF1S0505SPC Mouser Part # 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 10/5/2026	$5.852 $5.742 $5.665 $5.358 View $5.325 $5.237 $5.105 $5.040	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: $6.017 48Expected 11/30/2026	Mfr. Part # MEF1S0303SPC Mouser Part # 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 11/30/2026	$6.017 $5.918 $5.830 $5.578 View $5.490 $5.391 $5.259 $5.182	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: $6.017 8Expected 1/11/2027	Mfr. Part # MEF1S0305SPC Mouser Part # 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 1/11/2027	$6.017 $5.918 $5.830 $5.578 View $5.490 $5.402 $5.259 $5.193	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 5V-3.3V SIP Single MEF1S0503SPC Murata Power Solutions 1: $5.907 49Expected 10/5/2026	Mfr. Part # MEF1S0503SPC Mouser Part # 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	49Expected 10/5/2026	$5.907 $5.742 $5.654 $5.336 View $5.259 $5.182 $5.105 $5.084	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 12VIN 3.3VOUT DC/DC MEF1S1203SPC Murata Power Solutions 1: $5.907 150Expected 3/1/2027	Mfr. Part # MEF1S1203SPC Mouser Part # 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 3/1/2027	$5.907 $5.742 $5.654 $5.292 View $5.215 $5.149 $5.073 $5.040	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: $5.907 50Expected 12/14/2026	Mfr. Part # MEF1S2403SPC Mouser Part # 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 12/14/2026	$5.907 $5.742 $5.654 $5.292 View $5.215 $5.149 $5.062 $5.029	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: $6.094 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # MEF1S1205SPC Mouser Part # 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	$6.094 $5.918 $5.830 $5.578 View $5.479 $5.380 $5.259 $5.215 $5.204	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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