DC to DC Converters | McMaster-Carr

Mount these DC converters to DIN rails on fixtures such as industrial cabinets and electrical panels. By converting voltages, they let you connect power supplies to equipment that requires a different input voltage. They’re often used to power sensors or other components that require a lower voltage than surrounding equipment. Since they send a stable, consistent voltage to equipment, they can also be used to correct power supplies that send uneven voltages. All meet U.S. and Canadian, or European Union, safety standards.

If you exceed current limits, these converters will shut down to protect your equipment. Some converters have overvoltage or overload protection, as well.

Screw-Clamp Terminal Input and Output Connection—1 Output Power Connection

Maximum Output Noise Peak-to-Peak—The lower a converter’s maximum output noise, also known as ripple noise, the less electronic interference it creates. These converters will work in most applications.

	Output
	Voltage, V DC	Voltage Adjustment Range, V DC	Current, amp	Power, W	Max. Output Noise Peak-to-Peak	Ht.	Wd.	Dp.	Mounting Fasteners Included	Certification	Electrical Protection Type		Each
Single Phase—9.5V DC to 36V DC Input Voltage



		5	4.5 to 5.5	8	40	50 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N11	0000000


		12	10.8 to 13.2	3.3	40	75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N105	000000
		15	13.5 to 16.5	2.6	40	75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N109	000000


		Single Phase—18V DC to 36V DC Input Voltage



				5	4.5 to 5.5	12	60	75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N103	000000


				12	10.8 to 13.2	5	60	100 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N107	000000
				15	13.5 to 16.5	4	60	100 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N111	000000


				Single Phase—18V DC to 75V DC Input Voltage



						5	4.5 to 5.5	8	40	50 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N102	000000


						12	10.8 to 13.2	3.3	40	75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N106	000000
						15	13.5 to 16.5	2.6	40	75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N101	000000


						Single Phase—36V DC to 75V DC Input Voltage



								5	4.5 to 5.5	12	60	75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N104	000000


								12	10.8 to 13.2	5	60	100 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N108	000000
								15	13.5 to 16.5	4	60	100 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N112	000000

Screw-Clamp Terminal Input and Output Connection—2 Output Power Connections

	Output
	Voltage, V DC	Current, amp	Power, W	Max. Output Noise Peak-to-Peak	Ht.	Wd.	Dp.	Mounting Fasteners Included	Certification	Electrical Protection Type		Each
Single Phase—9.5V DC to 36V DC Input Voltage



		-15, 15	1.3	40	150 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N115	0000000


		-12, 12	1.6	40	120 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N113	000000


		Single Phase—18V DC to 75V DC Input Voltage



				-15, 15	1.3	40	150 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N116	000000


				-12, 12	1.6	40	120 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N114	000000

Screw-Clamp Terminal Input and Output Connection—3 Output Power Connections

	Output
	Voltage (Current)	Power, W	Max. Output Noise Peak-to-Peak	Ht.	Wd.	Dp.	Mounting Fasteners Included	Certification	Electrical Protection Type		Each
Single Phase—9.5V DC to 18V DC Input Voltage



		5V DC (6 amp) 12V DC (0.4 amp) -12V DC (-0.4 amp)	40	50 mV DC 75 mV DC 75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N117	0000000


		5V DC (6 amp) 15V DC (0.3 amp) -15V DC (-0.3 amp)	40	50 mV DC 75 mV DC 75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N12	000000


		Single Phase—18V DC to 36V DC Input Voltage



				5V DC (6 amp) 12V DC (0.3 amp) -12V DC (-0.3 amp)	40	50 mV DC 75 mV DC 75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N118	000000


				5V DC (6 amp) 15V DC (0.3 amp) -15V DC (-0.3 amp)	40	50 mV DC 75 mV DC 75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N121	000000


				Single Phase—36V DC to 75V DC Input Voltage



						5V DC (6 amp) 12V DC (0.4 amp) -12V DC (-0.4 amp)	40	50 mV DC 75 mV DC 75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N119	000000


						5V DC (6 amp) 15V DC (0.3 amp) -15V DC (-0.3 amp)	40	50 mV DC 75 mV DC 75 mV DC	2.3"	1"	4.9"	No	CE Marked	Overcurrent, Overvoltage	6956N122	000000

DC to DC Power Converters

When your power supply sends out DC power at a higher voltage than you need, change to the proper voltage with these converters. They’re often used when a specific component, such as a sensor, requires a lower voltage than surrounding equipment. Use them to correct power supplies that send uneven voltages, too—they provide electricity at a stable, consistent voltage. They mount on flat surfaces, and are commonly fastened inside enclosures.

If you exceed the current limit, these converters will shut down to protect your equipment. Some converters have overvoltage protection, so they’ll do the same if you exceed voltage limits.

Screw-Terminal Input and Output Connection—1 Output Power Connection

Image of Product. Front orientation. Power Converters. DC to DC Power Converters.

	Output
	Voltage, V DC	Voltage Adjustment Range, V DC	Current, amp	Power, W	Max. Output Noise Peak-to-Peak	Ht.	Wd.	Dp.	Mounting Fasteners Included	Electrical Protection Type		Each
Single Phase—9V DC to 36V DC Input Voltage



		3.3	3 to 3.6	4	13.2	120 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N113	000000


		3.3	3 to 3.6	7.5	24.8	120 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N121	00000
		5	4.5 to 5.5	3	15	120 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N11	00000
		5	4.5 to 5.5	6	30	120 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N118	00000
		12	10.8 to 13.2	1.3	15.6	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N111	00000
		12	10.8 to 13.2	2.5	30	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N119	00000
		15	13.5 to 16.5	1	15	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N112	00000
		15	13.5 to 16.5	2	30	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N12	00000


		Single Phase—18V DC to 76V DC Input Voltage



				3.3	3 to 3.6	4	13.2	120 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N117	00000


				3.3	3 to 3.6	7.5	24.8	120 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N125	00000
				5	4.5 to 5.5	3	15	120 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N114	00000
				5	4.5 to 5.5	6	30	120 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N122	00000
				12	10.8 to 13.2	1.3	15.6	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N115	00000
				12	10.8 to 13.2	2.5	30	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N123	00000
				15	13.5 to 16.5	1	15	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N116	00000
				15	13.5 to 16.5	2	30	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N124	00000

Screw-Terminal Input and Output Connection—2 Output Power Connections

	Output
	Voltage, V DC	Current, amp	Power, W	Max. Output Noise Peak-to-Peak	Ht.	Wd.	Dp.	Mounting Fasteners Included	Electrical Protection Type		Each
Single Phase—9V DC to 36V DC Input Voltage



		-15, 15	0.5	15	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N128	000000


		-15, 15	1	30	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N134	00000
		-12, 12	0.65	15.6	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N127	00000
		-12, 12	1.25	30	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N133	00000
		-5, 5	1.5	15	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N126	00000
		-5, 5	2	20	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N132	00000


		Single Phase—18V DC to 76V DC Input Voltage



				-15, 15	0.5	15	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N131	00000


				-15, 15	1	30	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N137	00000
				-12, 12	0.65	15.6	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N13	00000
				-12, 12	1.25	30	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N136	00000
				-5, 5	1.5	15	150 mV DC	3.7"	2.1"	1.1"	No	Overcurrent	6955N129	00000
				-5, 5	2	20	150 mV DC	4.6"	2.1"	1.1"	No	Overcurrent, Overvoltage	6955N135	00000

Circuit Board Voltage Regulators

Safely power low-voltage components in circuits with a high-voltage source. These regulators turn high-voltage inputs into lower, more stable outputs.

Adjustable Output Voltage—Regulators with an adjustable output voltage let you fine-tune the output to best fit your circuit. To adjust the output voltage, connect them to two resistors (not included). The resistance values determine your output voltage.

Dropout Voltage—Dropout voltage is the minimum required difference between the input voltage and your regulator’s output voltage.

		Input Voltage, V DC						Terminal
	Output Voltage, V DC	Min.	Max.	Dropout Voltage, V DC	Max. Current, amp	Electronic Component Trade Size	Electronic Component Trade No.	No. of	Lg.	Material	For Hole Ctr.-to-Ctr.	Ht.	Wd.	Dp.	Pkg. Qty.		Pkg.
Fixed Output Voltage







				Positive

				5	8	35	2	1.5	TO-220	L7805	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N11	00000


				6	11	35	2	1.5	TO-220	L7806	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N12	0000
				8	14	35	2	1.5	TO-220	L7808	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N13	0000
				9	15	35	2	1.5	TO-220	L7809	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N14	0000
				12	16	35	2	1.5	TO-220	L7812	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N15	0000
				15	19	35	2	1.5	TO-220	L7815	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N16	0000
				24	28	35	2	1.5	TO-220	L7824	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N17	0000




						Negative

						-15	-35	-19	2	1.5	TO-220	L7915	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N24	0000


						-12	-35	-16	1.1	1.5	TO-220	L7912	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N23	0000
						-9	-35	-15	2	1.5	TO-220	L7909	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N22	0000
						-8	-35	-14	2	1.5	TO-220	L7908	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N21	0000
						-6	-35	-11	2	1.5	TO-220	L7906	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N19	0000
						-5	-35	-8	1.1	1.5	TO-220	L7905	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N18	0000


						Adjustable Output Voltage







										Positive

										1.25 to 37	4.25	40	1.25	1.5	TO-220	LM317	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	5	7627N25	0000

Circuit Board Voltage Regulators Assortments

Safely power low-voltage components in circuits with a high-voltage source. These regulators turn high-voltage inputs into lower, more stable outputs.

					Terminal
	Output Voltage, V DC	Max. Current, amp	Electronic Component Trade Size	Electronic Component Trade No.	No. of	Lg.	Material	For Hole Ctr.-to-Ctr.	Ht.	Wd.	Dp.		Each
Fixed Output Voltage, Adjustable Output Voltage







				Positive, Negative

				-15, -12, -9, -8, -6, -5, 1.25, 5, 6, 8, 9, 12, 15, 24, 37	1.5	TO-220	L7805, L7806, L7808, L7809, L7812, L7815, L7824, L7905, L7906, L7908, L7909, L7912, L7915, LM317	3	9/16"	Tin-Plated Copper	0.1"	5/8"	13/32"	3/16"	7627N26	000000

Logic Level Converters for Development Boards

Communicate between a development board and other components, such as sensors and actuators, that use digital signals at a different voltage. Connect your high-voltage power source and devices to one side and your low-voltage power source and devices to the other. These converters have four independent communication channels, each of which connects high-voltage devices to low-voltage devices. All channels are bidirectional, converting voltage from high to low and low to high, so they support protocols such as I²C that send data in both directions on a single wire. They’re often used between a 5V DC device and a 3.3V DC device, but will work with any voltages within the listed range. For fast prototyping, solder on headers and plug them directly into a breadboard. For a permanent connection, solder on wires.

	Input/Output
	Voltage, V DC	Signal Type	No. of Channels	Lg.	Wd.	Hole Ctr.-to-Ctr.		Each
Bidirectional Channel



		0.8 to 5	Digital	4	5/8"	9/16"	0.1"	4894N11	00000