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R-78C-1.0 1A SIP-3 Single Output DC/DC Converters

RECOM Power R-78C-1.0 1A SIP-3 Single Output DC/DC Converters are switching regulators ideal for replacing 1A LM78xx linear regulators. The R-78C-1.0 converters feature a high-efficiency level of up to 96% and short circuit protection with thermal shutdown. Other features include a low profile, a wide input range from 5V_DC to 42V_DC, -40°C to +85°C operating temperature range, and a 3-year warranty all in a SIP-3 package.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Isolation	Number of Outputs	Output Power	Input Voltage, Min	Input Voltage, Max	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 CONV DC/DC 1A 7-42VIN 3.3VOUT R-78C3.3-1.0 RECOM Power 1: $16.90 6,394In Stock	Mfr. Part No. R-78C3.3-1.0 Mouser Part No 919-R-78C3.3-1.0	RECOM Power	DC/DC Converters - Through Hole CONV DC/DC 1A 7-42VIN 3.3VOUT Learn More about RECOM Power recomr78c	Datasheet	6,394In Stock	$16.90 $15.90 $15.74 $14.40 View $14.17 $14.06 $13.90	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)	10.4 mm (0.409 in)	Industrial	+ 85 C	- 40 C	R-78C
	DC/DC Converters - Through Hole CONV DC/DC 1A 8-42VIN 5.0VOUT R-78C5.0-1.0 RECOM Power 1: $16.37 9,692In Stock	Mfr. Part No. R-78C5.0-1.0 Mouser Part No 919-R-78C5.0-1.0	RECOM Power	DC/DC Converters - Through Hole CONV DC/DC 1A 8-42VIN 5.0VOUT Learn More about RECOM Power recomr78c	Datasheet	9,692In Stock	$16.37 $15.30 $15.15 $14.84 View $14.61 $14.46 $14.25 $14.08 $14.06	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)	10.4 mm (0.409 in)	Industrial	+ 85 C	- 40 C	R-78C
	DC/DC Converters - Through Hole CONV DC/DC 1A 12-42VIN 9.0VOUT R-78C9.0-1.0 RECOM Power 1: $16.97 371In Stock	Mfr. Part No. R-78C9.0-1.0 Mouser Part No 919-R-78C9.0-1.0	RECOM Power	DC/DC Converters - Through Hole CONV DC/DC 1A 12-42VIN 9.0VOUT Learn More about RECOM Power recomr78c	Datasheet	371In Stock	$16.97 $15.54 $15.38 $15.04 View $14.78 $14.65 $14.43 $14.23 $14.13	Min.: 1 Mult.: 1			Non-Isolated	1 Output	9 W			9 V	1 A	SIP-3	11.6 mm (0.457 in)	8.5 mm (0.335 in)	10.4 mm (0.409 in)	Industrial	+ 85 C	- 40 C	R-78C
	DC/DC Converters - Through Hole CONV DC/DC 1A 5-42VIN 1.8VOUT R-78C1.8-1.0 RECOM Power 1: $17.12 14In Stock 42Expected 23/10/2026	Mfr. Part No. R-78C1.8-1.0 Mouser Part No 919-R-78C1.8-1.0	RECOM Power	DC/DC Converters - Through Hole CONV DC/DC 1A 5-42VIN 1.8VOUT Learn More about RECOM Power recomr78c	Datasheet	14In Stock 42Expected 23/10/2026	$17.12 $15.91 $15.75 $15.08 View $14.77 $14.25 $13.99 $13.76 $13.64	Min.: 1 Mult.: 1			Non-Isolated	1 Output	1.8 W			1.8 V	1 A	SIP-3	11.6 mm (0.457 in)	8.5 mm (0.335 in)	10.4 mm (0.409 in)	Industrial	+ 85 C	- 40 C	R-78C
	DC/DC Converters - Through Hole CONV DC/DC 1A 18-42VIN 15VOUT R-78C15-1.0 RECOM Power 1: $20.22 19In Stock 4,620On Order	Mfr. Part No. R-78C15-1.0 Mouser Part No 919-R-78C15-1.0	RECOM Power	DC/DC Converters - Through Hole CONV DC/DC 1A 18-42VIN 15VOUT Learn More about RECOM Power recomr78c	Datasheet	19In Stock 4,620On Order On Order Ship Dates Mfr. No: R-78C15-1.0 Stock: 19 Can Dispatch Immediately On Order: 2,058 Expected 5/10/2026 2,562 Expected 29/1/2027 Factory Lead Time: 2 Weeks	$20.22 $19.50 $19.19 $18.82 View $18.66 $18.36 $17.97 $17.67 Quote	Min.: 1 Mult.: 1			Non-Isolated	1 Output	15 W			15 V	1 A	SIP-3	11.6 mm (0.457 in)	8.5 mm (0.335 in)	10.4 mm (0.409 in)	Industrial	+ 85 C	- 40 C	R-78C
	DC/DC Converters - Through Hole CONV DC/DC 1A 15-42VIN 12VOUT R-78C12-1.0 RECOM Power 1: $16.54 3,320Expected 27/11/2026	Mfr. Part No. R-78C12-1.0 Mouser Part No 919-R-78C12-1.0	RECOM Power	DC/DC Converters - Through Hole CONV DC/DC 1A 15-42VIN 12VOUT Learn More about RECOM Power recomr78c	Datasheet	3,320Expected 27/11/2026	$16.54 $15.41 $15.25 $14.99 View $14.97 $14.63 $13.93	Min.: 1 Mult.: 1			Non-Isolated	1 Output	12 W			12 V	1 A	SIP-3	11.6 mm (0.457 in)	8.5 mm (0.335 in)	10.4 mm (0.409 in)	Industrial	+ 85 C	- 40 C	R-78C