DC/DC Converters - Through Hole

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R-78K DC/DC Converters

RECOM Power R-78K DC/DC Converters are available in 0.5A, 1A, and 2A versions with fixed outputs of 1.2V, 1.5V, 1.8V, 2.5V, and 6.5V, depending on the model, as well as traditional outputs of 3.3V, 5V, 9V, 12V, and 15V. The R-78K-0.5, R-78K-1.0, and R-78K-2.0 series all offer a wide input voltage range of 4.5V_DC to 36V_DC with efficiency of up to 95% or 96% and no need for heatsinks. The R-78K units have an ambient operating temperature range of -40°C to +90°C, including versions with no derating. Protections include undervoltage lockout and short circuits with automatic recovery. These SIP3 converters can meet EN 55032 class B EMC specifications with a simple input filter.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PLN) Filter the results in the table by unit price based on your quantity.	Qty.	Isolation	Number of Outputs	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 4.5-36Vin 2.5Vout 1A R-78K2.5-1.0 RECOM Power 1: 14,78 zł 469In Stock	Mfr. Part No. R-78K2.5-1.0 Mouser Part No 919-R-78K2.5-1.0	RECOM Power	DC/DC Converters - Through Hole 4.5-36Vin 2.5Vout 1A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	469In Stock	14,78 zł 14,39 zł 14,21 zł 11,75 zł View 11,53 zł 11,48 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	2.5 V	1 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-1.0
DC/DC Converters - Through Hole 2A 11-36Vin 9Vout R-78K9.0-2.0L RECOM Power 1: 22,04 zł 722In Stock	Mfr. Part No. R-78K9.0-2.0L Mouser Part No 919-R-78K9.0-2.0L	RECOM Power	DC/DC Converters - Through Hole 2A 11-36Vin 9Vout Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	722In Stock	22,04 zł 21,60 zł 21,25 zł 20,24 zł View 19,98 zł 19,76 zł 19,27 zł 18,96 zł 18,70 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	9 V	2 A	SIP-3	11.5 mm (0.453 in)	8.5 mm (0.335 in)	17.5 mm (0.689 in)	Industrial	+ 90 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 2A 4.5-36Vin 2.5Vout R-78K2.5-2.0L RECOM Power 1: 22,04 zł 209In Stock	Mfr. Part No. R-78K2.5-2.0L Mouser Part No 919-R-78K2.5-2.0L	RECOM Power	DC/DC Converters - Through Hole 2A 4.5-36Vin 2.5Vout Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	209In Stock	22,04 zł 21,60 zł 21,30 zł 20,06 zł View 19,84 zł 19,58 zł 19,10 zł 18,79 zł 18,74 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	2.5 V	2 A	SIP-3	11.5 mm (0.453 in)	8.5 mm (0.335 in)	17.5 mm (0.689 in)	Industrial	+ 90 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 18-36Vin 15Vout 2A R-78K15-2.0 RECOM Power 1: 22,04 zł 187In Stock	Mfr. Part No. R-78K15-2.0 Mouser Part No 919-R-78K15-2.0	RECOM Power	DC/DC Converters - Through Hole 18-36Vin 15Vout 2A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	187In Stock	22,04 zł 21,60 zł 21,25 zł 19,71 zł View 19,27 zł 19,14 zł 19,10 zł 18,26 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	15 V	2 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 4.5-36Vin 3.3Vout 1A R-78K3.3-1.0 RECOM Power 1: 14,96 zł 6 826In Stock	Mfr. Part No. R-78K3.3-1.0 Mouser Part No 919-R-78K3.3-1.0	RECOM Power	DC/DC Converters - Through Hole 4.5-36Vin 3.3Vout 1A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	6 826In Stock	14,96 zł 14,48 zł 14,21 zł 13,20 zł View 12,89 zł 12,80 zł 12,67 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	3.3 V	1 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-1.0
DC/DC Converters - Through Hole 6.5-36Vin 5Vout 500mA R-78K5.0-0.5 RECOM Power 1: 11,92 zł 31 477In Stock	Mfr. Part No. R-78K5.0-0.5 Mouser Part No 919-R-78K5.0-0.5	RECOM Power	DC/DC Converters - Through Hole 6.5-36Vin 5Vout 500mA Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	31 477In Stock	11,92 zł 11,48 zł 11,31 zł 10,52 zł View 10,30 zł 10,16 zł 9,90 zł 9,81 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	5 V	500 mA	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-0.5
DC/DC Converters - Through Hole 6.5-36Vin 5Vout 1A R-78K5.0-1.0 RECOM Power 1: 14,96 zł 15 044In Stock	Mfr. Part No. R-78K5.0-1.0 Mouser Part No 919-R-78K5.0-1.0	RECOM Power	DC/DC Converters - Through Hole 6.5-36Vin 5Vout 1A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	15 044In Stock	14,96 zł 14,48 zł 14,21 zł 12,94 zł View 12,58 zł 12,50 zł 12,23 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	5 V	1 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-1.0
DC/DC Converters - Through Hole 6.5-36Vin 5Vout 2A R-78K5.0-2.0 RECOM Power 1: 22,26 zł 3 879In Stock 2 494Expected 11/4/2026	Mfr. Part No. R-78K5.0-2.0 Mouser Part No 919-R-78K5.0-2.0	RECOM Power	DC/DC Converters - Through Hole 6.5-36Vin 5Vout 2A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	3 879In Stock 2 494Expected 11/4/2026	22,26 zł 21,60 zł 21,25 zł 19,49 zł View 18,96 zł 18,83 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	5 V	2 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 2A 6.5-36Vin 5Vout R-78K5.0-2.0L RECOM Power 1: 22,26 zł 4 496In Stock	Mfr. Part No. R-78K5.0-2.0L Mouser Part No 919-R-78K5.0-2.0L	RECOM Power	DC/DC Converters - Through Hole 2A 6.5-36Vin 5Vout Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	4 496In Stock	22,26 zł 21,60 zł 21,25 zł 19,76 zł 19,62 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	5 V	2 A	SIP-3	11.5 mm (0.453 in)	8.5 mm (0.335 in)	17.5 mm (0.689 in)	Industrial	+ 90 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 15-36Vin 12Vout 500mA R-78K12-0.5 RECOM Power 1: 11,92 zł 3 707In Stock 2 107Expected 11/6/2026	Mfr. Part No. R-78K12-0.5 Mouser Part No 919-R-78K12-0.5	RECOM Power	DC/DC Converters - Through Hole 15-36Vin 12Vout 500mA Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	3 707In Stock 2 107Expected 11/6/2026	11,92 zł 11,48 zł 11,31 zł 10,52 zł View 10,38 zł 10,34 zł 10,25 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	12 V	500 mA	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-0.5
DC/DC Converters - Through Hole 15-36Vin 12Vout 1A R-78K12-1.0 RECOM Power 1: 14,96 zł 2 800In Stock	Mfr. Part No. R-78K12-1.0 Mouser Part No 919-R-78K12-1.0	RECOM Power	DC/DC Converters - Through Hole 15-36Vin 12Vout 1A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	2 800In Stock	14,96 zł 14,48 zł 14,21 zł 13,16 zł 12,85 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	12 V	1 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-1.0
DC/DC Converters - Through Hole 14-36Vin 12Vout 2A R-78K12-2.0 RECOM Power 1: 22,26 zł 2 018In Stock 1 806Expected 11/9/2026	Mfr. Part No. R-78K12-2.0 Mouser Part No 919-R-78K12-2.0	RECOM Power	DC/DC Converters - Through Hole 14-36Vin 12Vout 2A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	2 018In Stock 1 806Expected 11/9/2026	22,26 zł 21,60 zł 21,25 zł 19,05 zł View 18,66 zł 18,52 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	12 V	2 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 2A 14-36Vin 12Vout R-78K12-2.0L RECOM Power 1: 22,26 zł 1 097In Stock	Mfr. Part No. R-78K12-2.0L Mouser Part No 919-R-78K12-2.0L	RECOM Power	DC/DC Converters - Through Hole 2A 14-36Vin 12Vout Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	1 097In Stock	22,26 zł 21,60 zł 21,25 zł 18,52 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	12 V	2 A	SIP-3	11.5 mm (0.453 in)	8.5 mm (0.335 in)	17.5 mm (0.689 in)	Industrial	+ 90 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 2A 18-36Vin 15Vout R-78K15-2.0L RECOM Power 1: 22,26 zł 410In Stock	Mfr. Part No. R-78K15-2.0L Mouser Part No 919-R-78K15-2.0L	RECOM Power	DC/DC Converters - Through Hole 2A 18-36Vin 15Vout Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	410In Stock	22,26 zł 21,60 zł 21,25 zł 20,81 zł View 20,55 zł 20,15 zł 17,78 zł 17,69 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	15 V	2 A	SIP-3	11.5 mm (0.453 in)	8.5 mm (0.335 in)	17.5 mm (0.689 in)	Industrial	+ 90 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 4.5-36Vin 3.3Vout 2A R-78K3.3-2.0 RECOM Power 1: 22,26 zł 2 457In Stock	Mfr. Part No. R-78K3.3-2.0 Mouser Part No 919-R-78K3.3-2.0	RECOM Power	DC/DC Converters - Through Hole 4.5-36Vin 3.3Vout 2A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	2 457In Stock	22,26 zł 21,60 zł 21,25 zł 19,71 zł View 19,54 zł 19,45 zł 19,18 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	3.3 V	2 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 2A 4.5-36Vin 3.3Vout R-78K3.3-2.0L RECOM Power 1: 22,26 zł 1 098In Stock	Mfr. Part No. R-78K3.3-2.0L Mouser Part No 919-R-78K3.3-2.0L	RECOM Power	DC/DC Converters - Through Hole 2A 4.5-36Vin 3.3Vout Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	1 098In Stock	22,26 zł 21,60 zł 21,25 zł 20,02 zł View 19,71 zł 19,45 zł 19,18 zł 19,01 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	3.3 V	2 A	SIP-3	11.5 mm (0.453 in)	8.5 mm (0.335 in)	17.5 mm (0.689 in)	Industrial	+ 90 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 8-36Vin 6.5Vout 500mA R-78K6.5-0.5 RECOM Power 1: 11,92 zł 3 410In Stock	Mfr. Part No. R-78K6.5-0.5 Mouser Part No 919-R-78K6.5-0.5	RECOM Power	DC/DC Converters - Through Hole 8-36Vin 6.5Vout 500mA Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	3 410In Stock	11,92 zł 11,48 zł 11,31 zł 11,04 zł View 10,78 zł 10,69 zł 10,38 zł 10,16 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	6.5 V	500 mA	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-0.5
DC/DC Converters - Through Hole 12-36Vin 9Vout 500mA R-78K9.0-0.5 RECOM Power 1: 11,92 zł 2 211In Stock	Mfr. Part No. R-78K9.0-0.5 Mouser Part No 919-R-78K9.0-0.5	RECOM Power	DC/DC Converters - Through Hole 12-36Vin 9Vout 500mA Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	2 211In Stock	11,92 zł 11,48 zł 11,31 zł 10,69 zł View 10,65 zł 10,60 zł 10,56 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	9 V	500 mA	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-0.5
DC/DC Converters - Through Hole 12-36Vin 9Vout 1A R-78K9.0-1.0 RECOM Power 1: 14,96 zł 832In Stock	Mfr. Part No. R-78K9.0-1.0 Mouser Part No 919-R-78K9.0-1.0	RECOM Power	DC/DC Converters - Through Hole 12-36Vin 9Vout 1A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	832In Stock	14,96 zł 14,48 zł 14,21 zł 12,67 zł View 12,63 zł 11,66 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	9 V	1 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-1.0
DC/DC Converters - Through Hole 2A 4.5-36Vin 1.2Vout R-78K1.2-2.0L RECOM Power 1: 22,26 zł 94In Stock	Mfr. Part No. R-78K1.2-2.0L Mouser Part No 919-R-78K1.2-2.0L	RECOM Power	DC/DC Converters - Through Hole 2A 4.5-36Vin 1.2Vout Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	94In Stock	22,26 zł 21,60 zł 21,25 zł 20,15 zł 17,03 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	1.2 V	2 A	SIP-3	11.5 mm (0.453 in)	8.5 mm (0.335 in)	17.5 mm (0.689 in)	Industrial	+ 90 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 4.5-36Vin 1.5Vout 500mA R-78K1.5-0.5 RECOM Power 1: 11,92 zł 173In Stock	Mfr. Part No. R-78K1.5-0.5 Mouser Part No 919-R-78K1.5-0.5	RECOM Power	DC/DC Converters - Through Hole 4.5-36Vin 1.5Vout 500mA Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	173In Stock	11,92 zł 11,48 zł 11,31 zł 11,18 zł View 11,13 zł 10,52 zł 10,38 zł 10,34 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	1.5 V	500 mA	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-0.5
DC/DC Converters - Through Hole 4.5-36Vin 1.8Vout 500mA R-78K1.8-0.5 RECOM Power 1: 11,92 zł 105In Stock	Mfr. Part No. R-78K1.8-0.5 Mouser Part No 919-R-78K1.8-0.5	RECOM Power	DC/DC Converters - Through Hole 4.5-36Vin 1.8Vout 500mA Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	105In Stock	11,92 zł 11,48 zł 11,40 zł 10,96 zł View 10,78 zł 10,47 zł 10,25 zł 10,21 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	1.8 V	500 mA	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-0.5
DC/DC Converters - Through Hole 4.5-36Vin 1.8Vout 1A R-78K1.8-1.0 RECOM Power 1: 14,96 zł 55In Stock	Mfr. Part No. R-78K1.8-1.0 Mouser Part No 919-R-78K1.8-1.0	RECOM Power	DC/DC Converters - Through Hole 4.5-36Vin 1.8Vout 1A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	55In Stock	14,96 zł 14,48 zł 14,21 zł 13,95 zł View 13,77 zł 13,46 zł 13,02 zł 12,76 zł 12,58 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	1.8 V	1 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-1.0
DC/DC Converters - Through Hole 4.5-36Vin 1.8Vout 2A R-78K1.8-2.0 RECOM Power 1: 22,26 zł 45In Stock	Mfr. Part No. R-78K1.8-2.0 Mouser Part No 919-R-78K1.8-2.0	RECOM Power	DC/DC Converters - Through Hole 4.5-36Vin 1.8Vout 2A Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	45In Stock	22,26 zł 21,60 zł 21,25 zł 20,77 zł View 20,24 zł 19,89 zł 19,45 zł 19,27 zł 19,23 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	1.8 V	2 A	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-2.0
DC/DC Converters - Through Hole 18-36Vin 15Vout 500mA R-78K15-0.5 RECOM Power 1: 11,79 zł 546In Stock	Mfr. Part No. R-78K15-0.5 Mouser Part No 919-R-78K15-0.5	RECOM Power	DC/DC Converters - Through Hole 18-36Vin 15Vout 500mA Learn More about RECOM Power recom r 78k dcdc converters	Datasheet	546In Stock	11,79 zł 11,44 zł 11,26 zł 10,03 zł View 9,90 zł 9,81 zł 9,77 zł 9,06 zł	Min.: 1 Mult.: 1	Non-Isolated	1 Output	15 V	500 mA	SIP-3	11.5 mm (0.453 in)	7.55 mm (0.297 in)	10.2 mm (0.402 in)	Industrial	+ 115 C	- 40 C	R-78K-0.5

R-78K DC/DC Converters

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R-78K DC/DC Converters

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