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Linear Power Supply

Linear Power Supply

 

What Is a Linear DC Power Supply?

A linear power supply uses a transformer to turn the AC line voltage to a series of lower AC voltages, one of which is selected and converted to a very clean DC voltage via rectifier/filtering circuitry. That DC voltage is then regulated into the desired dc voltage using a variable voltage regulator/divider circuit. A linear power supply tends to have low ripple and noise. Compared to a switching power supply with the same output, it is usually heavier, larger, and less efficient.

 

What is the difference between a linear and switching dc power supply?

 

If you have an audio application, you should stay with the original design of Mastech linear DC power supplies for fan-less operation.

 

For all other applications, we recommend the Volteq linear DC power supplies because of the improved robustness due to over-voltage and reverse-voltage protection.

 
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MASTECH LINEAR POWER SUPPLY 50V 5A HY5005D-2 DUAL OUTPUTS

MASTECH LINEAR POWER SUPPLY 50V 5A HY5005D-2 DUAL OUTPUTS

$450.00

This model is discontinued, please check out our new model HY5005D.    Mastech DC Power Supply HY50…

Mastech Linear DC Power Supply HY3020D High Current

Mastech Linear DC Power Supply HY3020D High Current

$450.00

Note: this product is out of stock and discontinued, please check our new model Volteq HY3020D. Mastech H…

Mastech LINEAR DC POWER SUPPLY 30V 5A HY3005F-3 TRIPLE OUTPUTS

Mastech LINEAR DC POWER SUPPLY 30V 5A HY3005F-3 TRIPLE OUTPUTS

$400.00

This model is out of stock and discontinued, please check out our updated model HY3005D-3. Mastech Power Suppl…

Mastech BENCH DC POWER SUPPLY 30V 5A HY3005D-3 TRIPLE OUTPUTS

Mastech BENCH DC POWER SUPPLY 30V 5A HY3005D-3 TRIPLE OUTPUTS

$400.00

This model is out of stock and discontinued, please check out our updated model HY3005D-3. MASTECH HY3005D-3 i…

VARIABLE REGULATED SWITCHING DC POWER SUPPLY 50V 5A HY5005-2 DUAL OUTPUTS

VARIABLE REGULATED SWITCHING DC POWER SUPPLY 50V 5A HY5005-2 DUAL OUTPUTS

$349.00

  This model is discontinued, please check out our single output model HY5005D or HY5020EX (0-50V, 0-20A). …

Mastech VARIABLE DC POWER SUPPLY 30 V 3A HY3003D-3 TRIPLE OUTPUTS

Mastech VARIABLE DC POWER SUPPLY 30 V 3A HY3003D-3 TRIPLE OUTPUTS

$300.00

Note: this product is out of stock, please check our new model Volteq HY3003D-3. Mastech HY3003D-3 is a tri…

Regulated Linear DC POWER SUPPLY HY3020D 0-30V 0-20A New Model

Regulated Linear DC POWER SUPPLY HY3020D 0-30V 0-20A New Model

$450.00 $279.95

VOLTEQ HY3020D is a lab grade regulated linear DC power supply, an improved version of the HY3020D we carry for yea…

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

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

$245.00

  Note: this mode is discontinued, please check out our updated model Volteq HY6003D. Mastech HY6003D is…

Mastech VARIABLE LINEAR DC POWER SUPPLY 30V 6A HY3006D

Mastech VARIABLE LINEAR DC POWER SUPPLY 30V 6A HY3006D

$230.00

This model is out of stock and discontinued, please see our updated model HY3006D.     Mastech …

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

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

$220.00

Guaranteed the best price, fast shipping, and friendly service.    This model is out of stock …

Mastech Variable Linear Power Supply 30V 10A HY3010D

Mastech Variable Linear Power Supply 30V 10A HY3010D

$350.00 $199.95

  Mastech Variable Linear Power Supply HY3010D is a one of the most stable and powerful DC power supply from…

REGULATED VARIABLE LINEAR DC POWER SUPPLY HY3010D 30V 10A New Model

REGULATED VARIABLE LINEAR DC POWER SUPPLY HY3010D 30V 10A New Model

$350.00 $199.95

VOLTEQ HY3010D is a lab grade DC regulated linear power supply, an improved version of the HY3010D we carry for yea…

New Model! 30 V 5A Triple Linear Variable DC POWER SUPPLY HY3005D-3

New Model! 30 V 5A Triple Linear Variable DC POWER SUPPLY HY3005D-3

$400.00 $199.95

VOLTEQ HY3005D-3 is the newest update to our triple output variable regulated power supply. This linear power suppl…

VARIABLE LINEAR DC POWER SUPPLY GPC-3030D TRIPLE OUTPUTS 30 V 3A

VARIABLE LINEAR DC POWER SUPPLY GPC-3030D TRIPLE OUTPUTS 30 V 3A

$300.00 $179.95

VOLTEQ GPC-3030D is a triple output variable regulated power supply. This linear power supply has three outputs: tw…

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

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

$250.00 $169.95

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

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

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

$240.00 $119.95

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

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…

VOLTEQ REGULATED VARIABLE DC POWER SUPPLY HY5003D 50V 3A

VOLTEQ REGULATED VARIABLE DC POWER SUPPLY HY5003D 50V 3A

$220.00 $109.95

VOLTEQ HY5003D is a lab grade linear DC regulated power supply, an improved version of the HY5003D we carry for yea…

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

5.0 average, based on 1 reviews

  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 1mA Resolution HY3003DX

30V 3A Linear DC Power Supply with  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 an …

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…

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