Circuit Board Voltage Regulators

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46 Products

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

Diode Assortments

Control voltage and current in circuits with a variety of diodes.

Standard, Schottky, and Zener Diodes

Image of Product. Front orientation. Diodes. Diode Assortments, Standard Diode.

Standard diodes keep the current in a circuit flowing in one direction. Use them to manipulate signals or to protect your circuit from reverse currents, such as those created when a motor stops or slows down.

Schottky diodes have faster switching speeds than other diodes, so they’re used to channel current in a single direction in circuits that switch frequently. They’re often found in radios and data processors.

Zener diodes regulate voltage in a circuit. When installed in reverse, they won’t conduct current until a set voltage is reached. After that point, they maintain the same voltage. Because they provide a stable voltage, they are often used as a reference point in amplifiers and other voltage-sensitive circuits.

Max. Voltage, V DC	No. of Pieces	Includes	Temp. Range, ° F		Each
3.3; 3.6; 3.9; 4.3; 4.7; 5.1; 5.6; 6.2; 6.8; 7.5; 8.2; 9.1; 10; 11; 12; 13; 15; 16; 18; 20; 22; 24; 27; 30; 33; 36; 39; 40; 43; 47; 50; 100; 400; 1,000	390	1N4001—50V DC Standard DO-41 Diode (10 Pieces) 1N5401—100V DC Standard DO-27 Diode (10 Pieces) 1N4148—100V DC Standard DO-35 Diode (10 Pieces) 1N5404—400V DC Standard DO-27 Diode (10 Pieces) 1N4004—400V DC Standard DO-41 Diode (10 Pieces) 1N5408—1,000V DC Standard DO-27 Diode (10 Pieces) 1N4007—1,000V DC Standard DO-41 Diode (10 Pieces) 1N5817—20V DC Schottky DO-41 Diode (10 Pieces) 1N5819—40V DC Schottky DO-41 Diode (10 Pieces) 1N5822—40V DC Schottky DO-27 Diode (10 Pieces) 1N4728A—3.3V DC Zener DO-41G Diode (10 Pieces) 1N4729A—3.6V DC Zener DO-41G Diode (10 Pieces) 1N4730A—3.9V DC Zener DO-41G Diode (10 Pieces) 1N4731A—4.3V DC Zener DO-41G Diode (10 Pieces) 1N4732A—4.7V DC Zener DO-41G Diode (10 Pieces) 1N4733A—5.1V DC Zener DO-41G Diode (10 Pieces) 1N4734A—5.6V DC Zener DO-41G Diode (10 Pieces) 1N4735A—6.2V DC Zener DO-41G Diode (10 Pieces) 1N4736A—6.8V DC Zener DO-41G Diode (10 Pieces) 1N4737A—7.5V DC Zener DO-41G Diode (10 Pieces) 1N4738A—8.2V DC Zener DO-41G Diode (10 Pieces) 1N4739A—9.1V DC Zener DO-41G Diode (10 Pieces) 1N4740A—10V DC Zener DO-41G Diode (10 Pieces) 1N4741A—11V DC Zener DO-41G Diode (10 Pieces) 1N4742A—12V DC Zener DO-41G Diode (10 Pieces) 1N4743A—13V DC Zener DO-41G Diode (10 Pieces) 1N4744A—15V DC Zener DO-41G Diode (10 Pieces) 1N4745A—16V DC Zener DO-41G Diode (10 Pieces) 1N4746A—18V DC Zener DO-41G Diode (10 Pieces) 1N4747A—20V DC Zener DO-41G Diode (10 Pieces) 1N4748A—22V DC Zener DO-41G Diode (10 Pieces) 1N4749A—24V DC Zener DO-41G Diode (10 Pieces) 1N4750A—27V DC Zener DO-41G Diode (10 Pieces) 1N4751A—30V DC Zener DO-41G Diode (10 Pieces) 1N4752A—33V DC Zener DO-41G Diode (10 Pieces) 1N4753A—36V DC Zener DO-41G Diode (10 Pieces) 1N4754A—39V DC Zener DO-41G Diode (10 Pieces) 1N4755A—43V DC Zener DO-41G Diode (10 Pieces) 1N4756A—47V DC Zener DO-41G Diode (10 Pieces)	-55 to 255	7631N11	000000

Voltage-Stabilizing Diodes

Power sections of a circuit with a specific voltage. Also known as Zener diodes, these diodes are often used as a reference point in amplifiers and other voltage-sensitive circuits. When installed in reverse, they won’t conduct current until the reverse breakdown voltage is reached. After that point, they maintain the same voltage.

Reverse Breakdown Voltage—Reverse breakdown voltage is the voltage at which a reversed current will break through the diodes’ internal electrical barrier and flow backward.

Forward Voltage Drop—Forward voltage drop is the amount of voltage used up while current flows across diodes.

					Electronic Component Trade
Max. Voltage, V DC	Reverse Breakdown Voltage, V DC	Forward Voltage Drop, V DC	Max. Current, amp	Power Dissipation, W	Size	No.	Wire Dia.	Temp. Range, ° F	Pkg. Qty.		Pkg.
3.3	1	1.2	0.2	1	DO-41G	1N4728A	0.034"	-85 to 390	25	7633N11	00000
3.6	1	1.2	0.2	1	DO-41G	1N4729A	0.034"	-85 to 390	25	7633N12	0000
3.9	1	1.2	0.2	1	DO-41G	1N4730A	0.034"	-85 to 390	25	7633N13	0000
4.3	1	1.2	0.2	1	DO-41G	1N4731A	0.034"	-85 to 390	25	7633N14	0000
4.7	1	1.2	0.2	1	DO-41G	1N4732A	0.034"	-85 to 390	25	7633N15	0000
5.1	1	1.2	0.2	1	DO-41G	1N4733A	0.034"	-85 to 390	25	7633N16	0000
5.6	2	1.2	0.2	1	DO-41G	1N4734A	0.034"	-85 to 390	25	7633N17	0000
6.2	3	1.2	0.2	1	DO-41G	1N4735A	0.034"	-85 to 390	25	7633N18	0000
6.8	4	1.2	0.2	1	DO-41G	1N4736A	0.034"	-85 to 390	25	7633N19	0000
7.5	5	1.2	0.2	1	DO-41G	1N4737A	0.034"	-85 to 390	25	7633N21	0000
8.2	6	1.2	0.2	1	DO-41G	1N4738A	0.034"	-85 to 390	25	7633N22	0000
9.1	7	1.2	0.2	1	DO-41G	1N4739A	0.034"	-85 to 390	25	7633N23	0000
10	7.6	1.2	0.2	1	DO-41G	1N4740A	0.034"	-85 to 390	25	7633N24	0000
11	8.4	1.2	0.2	1	DO-41G	1N4741A	0.034"	-85 to 390	25	7633N25	0000
12	9.1	1.2	0.2	1	DO-41G	1N4742A	0.034"	-85 to 390	25	7633N26	0000
13	9.9	1.2	0.2	1	DO-41G	1N4743A	0.034"	-85 to 390	25	7633N27	0000
15	11.4	1.2	0.2	1	DO-41G	1N4744A	0.034"	-85 to 390	25	7633N28	0000
16	12.2	1.2	0.2	1	DO-41G	1N4745A	0.034"	-85 to 390	25	7633N29	0000
18	13.7	1.2	0.2	1	DO-41G	1N4746A	0.034"	-85 to 390	25	7633N31	0000
20	15.2	1.2	0.2	1	DO-41G	1N4747A	0.034"	-85 to 390	25	7633N32	0000
22	16.7	1.2	0.2	1	DO-41G	1N4748A	0.034"	-85 to 390	25	7633N33	0000
24	18.2	1.2	0.2	1	DO-41G	1N4749A	0.034"	-85 to 390	25	7633N34	0000
27	20.6	1.2	0.2	1	DO-41G	1N4750A	0.034"	-85 to 390	25	7633N35	0000
30	22.8	1.2	0.2	1	DO-41G	1N4751A	0.034"	-85 to 390	25	7633N36	0000
33	25.1	1.2	0.2	1	DO-41G	1N4752A	0.034"	-85 to 390	25	7633N37	0000
36	27.4	1.2	0.2	1	DO-41G	1N4753A	0.034"	-85 to 390	25	7633N38	0000
39	29.7	1.2	0.2	1	DO-41G	1N4754A	0.034"	-85 to 390	25	7633N39	0000
43	32.7	1.2	0.2	1	DO-41G	1N4755A	0.034"	-85 to 390	25	7633N41	0000
47	35.8	1.2	0.2	1	DO-41G	1N4756A	0.034"	-85 to 390	25	7633N42	0000