10 Best Desktop Power Supply for Students And Hobbyists


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A desktop power supply is something that every electronics technician/engineer needs. You might come across them in electronics labs or workshops at your college or highschool. Hobbyist require them from time to time as well, and are specially handy when you are designing power circuitry. We have compiled a list of the best desktop power supply available in the market. Do tell us your favourite in the comments section below.

10. TTi QL355 SII(590$)

Best desktop power supply (2)

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Pro

  • 0-35v/0-5A Variable power supply.
  • Ver Low noise.

Con

  • Ver bulky and heavy.
  • High Initial Cost.

You can get one here

9. HY3020D by Mastech(259$)

Best desktop power supply (9)

Pro

  • Easy to use.
  • Small form factor.
  • High current DC filters 50A-400A.
  • Single output

Con

  • Very heavy, not portable.

You can get one here

8. RSR DC Power Supply (175$)

Best desktop power supply (1)

Pro

  • Triple output.
  • Good Load Stability: 0.01% +2mV.

Con

  • Variable rotary dials are of not good quality.

You can get one here

7. Digital DC Power Supply 30V 3A Precision(100$)

Best desktop power supply (4)

Pro

  • Runs on both 110 and 220V input.
  • Circuit overload protection.

Con

  • Only one output.
  • Load stability 0.2% + 3mA.

You can get one here

6. Extech 382260(280$)

Best desktop power supply (7)

Pro

  • 3 selectable ranges.
  • Comparatively light weight.

Con

  • Lack of precision of voltage output and current limit.
  • Over voltage protection not good.

You can get one here

5. Kaito 30V/5A (175$)

Best desktop power supply (8)

Pro

  • Dual Channels
  • Bright LCD display
  • Comes with 1 year limited warranty.

Con

  • Low build quality(for example AC plug in the back,case mount connector was loose).
  • Does not come with additional Leads.

You can get one here

4. Tekpower Linear Power Supply,TP1502D(50$)

Best desktop power supply (5)

Pro

  • Light weight and compact.
  • Good value for money.

Con 

  • Output only till 15V.
  • Only one output.

You can get one here

3. TMS® Precision Variable Adjustable 30v 5a(37$)

Best desktop power supply (3)

Pro

  • 0-30V, good range.
  • Affordable and serviceable.

Con

  • Varying manufacturing quality.
  • Manual Provided is not accurate.

You can get one here

2. Dr.Meter® 30V/5A (70$)

Best desktop power supply (10)

Pro

  • Good overloading and current protection.
  • Detailed manual provided.
  • Very less electrical noise.

Con

  • Generates a surge during on and off.
  • Display not very accurate.

You can get one here

1. KORAD KD3005D

Best desktop power supply (6)

Pro

  • Can be used on both 110/220V input.
  • Automatic switching between mA and A display.
  • Durable.

Con

  • Slight voltage instability, voltage tends to fluctuate like if you set it to 4.9 , it will dance around 4.88-4.90V.

You can get one here

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10 Best Desktop Power Supply for Students And Hobbyists

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