Variable DC Power Supply

Huge savings for variable voltage bench power supplies, fast shipping, and friendly service. 

 

Mastech has three decades of design and manufacturing know-how in variable voltage regulated DC power supplies. We offer a large selection of variable voltage and current regulated DC Power Supplies, which are also called bench power supplies, Lab Power Supplies, DC variable power supply, regulated DC power supplies, adjustable DC power supplies, AC to DC power supplies, CC CV power supplies, etc.. Mastech DC power supplies are known for their best-in-class noise and ripple performance. 

 

We are located in the heart of Silicon Valley, and offer same day delivery to select south bay cities.

 

There are two main designs for variable regulated DC power supplies: Linear DC Power Supply and Switching DC Power Supply. Linear DC power supplies have exceptionally low ripple but tend to be heavy and less efficient, while switching DC power supplies have very high power efficency, and good noise and ripple performance for most of applications. Currently we only make linear DC power supplies with output below 20A. Typical applications for linear DC power supplies include studio mixer/audio amplifiers, lower noise amplifiers, etc.; typical applications for switching DC power supplies include industrial and scientific research, product manufacturing and testing, electroplating, electroforming, DC motors, aviation and marine applications, etc., check here for comparison of switching and linear DC power supplies.

 

You can also choose a DC power supply based on maximum voltage output, which ranges from 15V, 18V30V, 50V, 75V, 100V, 200V, to 300V ; or by maximum current output, which ranges from 3A, 5A, 6A10A, 20A, 30A, 50A, 100A, 200A, 500A, to 1000A.

 

You can also choose the power supply by selecting one of the categories below:

 

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Output leads / test leads for Variable Linear Power Supplies with output 6A or less

Output leads / test leads for Variable Linear Power Supplies with output 6A or less

$10.00 $5.00

For sale is a set of output leads / test leads that will work for any linear power supplies we sell that has output…

Output leads for Variable Linear Power Supplies with output 20A or less

Output leads for Variable Linear Power Supplies with output 20A or less

$20.00 $9.95

For sale is a set of output leads / test leads that will work for any linear power supplies we sell that has output…

Output leads for Variable Switching DC Power Supplies with output less than 900W

Output leads for Variable Switching DC Power Supplies with output less than 900W

$20.00 $9.95

For sale is a set of output leads / test leads that will work for the following switching DC power supply models: …

Clip Board and Foot Pad for Tattoo Supplies

Clip Board and Foot Pad for Tattoo Supplies

$30.00 $14.95

For sale is a set of clip board and foot pad for tattoo supplies. You can use this for any of our power supplies.…

Output Leads for Variable Switching DC Power Supplies with output 900W or more

Output Leads for Variable Switching DC Power Supplies with output 900W or more

$30.00 $14.95

For sale is a set of output leads / test leads that will work for the following switching DC power supply models: …

Output leads for Variable Switching DC Power Supplies with output 80A or more

Output leads for Variable Switching DC Power Supplies with output 80A or more

$40.00 $19.95

For sale is a set of output leads / test leads that will work for the following switching DC power supply models: …

Regulated Variable Linear DC POWER SUPPLY HY1503D 0-15V 0-3A

Regulated Variable Linear DC POWER SUPPLY HY1503D 0-15V 0-3A

$95.00 $49.95

VOLTEQ HY1503D is a lab grade regulated linear DC power supply. This high quality variable DC power supply has an…

Mastech Regulated Linear Variable DC Power Supply 18V 3A HY1803D

Mastech Regulated Linear Variable DC Power Supply 18V 3A HY1803D

$109.95 $64.95

HY1803D is a lab grade regulated variable linear DC power supply from Mastech, a highly stable, high quality linear…

REGULATED VARIABLE DC POWER SUPPLY GPS-1850D 0-20V 0-5A

REGULATED VARIABLE DC POWER SUPPLY GPS-1850D 0-20V 0-5A

$160.00 $79.95

GPS-1850D is a lab grade regulated linear DC power supply. This highly stable, high quality variable DC power sup…

Mastech Regulated Variable Linear DC POWER SUPPLY HY3003D 30V 3A

Mastech Regulated Variable Linear DC POWER SUPPLY HY3003D 30V 3A

$180.00 $89.95

Guaranteed the best price, fast shipping, and friendly service. Mastech HY3003D is a lab-grade regulated va…

REGULATED VARIABLE LINEAR DC POWER SUPPLY HY3003D 30V 3A New Model

REGULATED VARIABLE LINEAR DC POWER SUPPLY HY3003D 30V 3A New Model

$180.00 $89.95

VOLTEQ HY3003D is a lab grade regulated linear DC power supply, an improved version of the Mastech HY3003D we carri…

REGULATED VARIABLE LINEAR DC POWER SUPPLY GPS-3030D 30V 3A

REGULATED VARIABLE LINEAR DC POWER SUPPLY GPS-3030D 30V 3A

$180.00 $89.95

VOLTEQ GPS-3030D is a lab grade regulated linear DC power supply. This high quality variable DC power supply has an…

Mastech Regulated Variable Linear DC Power Supply 30V 5A HY3005D

Mastech Regulated Variable Linear DC Power Supply 30V 5A HY3005D

$220.00 $99.95

Guaranteed the best price, fast shipping, and friendly service. Mastech HY3005D lab-grade regulated linear …

Regulated Linear DC POWER SUPPLY HY3005D 0-30V 0-5A Over-voltage Protection

Regulated Linear DC POWER SUPPLY HY3005D 0-30V 0-5A Over-voltage Protection

$220.00 $99.95

  VOLTEQ HY3005D is a lab grade regulated linear DC power supply, an improved version of the Mastech H…

30V 3A Linear DC Power Supply with 1mV 1mA Resolution HY3003DX

30V 3A Linear DC Power Supply with 1mV 1mA Resolution HY3003DX

$220.00 $99.95

VOLTEQ HY3003DX is a lab grade regulated linear DC power supply; as an improved version of HY3003D, this power supp…

REGULATED VARIABLE DC POWER SUPPLY GPS-3050D 30V 5A

REGULATED VARIABLE DC POWER SUPPLY GPS-3050D 30V 5A

$220.00 $99.95

VOLTEQ GPS-3050D is a lab grade regulated variable DC power supply. This highly stable linear DC power supply has a…

Mastech REGULATED LINEAR POWER SUPPLY 50V 3A HY5003D

Mastech REGULATED LINEAR POWER SUPPLY 50V 3A HY5003D

$220.00 $109.95

Note: this product is temporarily out of stock, please check our model HY6003D. Mastech HY5003D is a regula…

Regulated Linear DC POWER SUPPLY HY3005DX 30V 5A 1mA 1mV Resolution

Regulated Linear DC POWER SUPPLY HY3005DX 30V 5A 1mA 1mV Resolution

$240.00 $109.95

VOLTEQ HY3005DX is a lab grade DC regulated linear DC power supply; as an improved version of HY3005D, this power…

Mastech VARIABLE LINEAR DC POWER SUPPLY 30V 6A HY3006D

Mastech VARIABLE LINEAR DC POWER SUPPLY 30V 6A HY3006D

$230.00 $119.95

Mastech power supply HY3006D is a high quality regulated variable linear DC power supply. This linear DC power supp…

MASTECH VARIABLE REGULATED LINEAR DC POWER SUPPLY 60V 3A HY6003D

MASTECH VARIABLE REGULATED LINEAR DC POWER SUPPLY 60V 3A HY6003D

$245.00 $119.95

Mastech HY6003D is a variable regulated DC power supply. This highly stable, high quality bench power supply has ou…

Improved! Regulated Linear DC POWER SUPPLY HY3006D 30V 6A Over-voltage Protection

Improved! Regulated Linear DC POWER SUPPLY HY3006D 30V 6A Over-voltage Protection

$220.00 $119.95

VOLTEQ HY3006D is a lab grade regulated linear DC power supply, an improved version of the HY3006D we carry for yea…

REGULATED VARIABLE DC POWER SUPPLY HY6003D 60V 3A New Model

REGULATED VARIABLE DC POWER SUPPLY HY6003D 60V 3A New Model

$240.00 $119.95

VOLTEQ HY6003D is a lab grade DC regulated linear power supply, an improved version of the HY6003D we carried for y…

Mastech Regulated Variable Switching DC Power Supply 30V 10A HY3010E

Mastech Regulated Variable Switching DC Power Supply 30V 10A HY3010E

$300.00 $139.95

Note: this product is temporarily out of stock, please check our new and improved model Volteq HY3010EX. Ma…

Variable Linear Power Supply GPR-1810HD 0-18V 0-10A

Variable Linear Power Supply GPR-1810HD 0-18V 0-10A

$250.00 $139.95

VOLTEQ GPR-1810HD is a lab grade DC regulated linear power supply. This highly stable, high quality linear DC power…

Regulated Switching DC Power Supply HY1520EX 15V 20A

Regulated Switching DC Power Supply HY1520EX 15V 20A

$260.00 $139.95

VOLTEQ HY1520EX is a high current regulated switching DC power supply with built-in over-voltage and over-current p…

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