8.4
At a Glance
30 VOutput Voltage
5 AMax Current
5 mVRipple & Noise
Best For
Hobbyists & MakersElectronics Repair
Pros & Cons
Pros
- 30V / 5A range covers virtually every hobbyist DC project without requiring a second supply
- USB and RS-232 PC control via SCPI commands — rare at this price point, enables scripted test automation
- 4-digit V/A display with coarse + fine adjustment knobs; panel feels like a real instrument
- CC (constant-current) mode actively limits current and protects components under test
- Stable load regulation — bench-tested at <0.01% + 3mV typical under moderate load
Cons
- Fan noise is audible at medium load — not suitable for quiet audio bench work
- USB driver setup on Windows 10/11 requires manual INF install; not plug-and-play
- Output terminals accept banana plugs only — no binding-post adapters included
- Ripple measured at ~5mV typical, acceptable for digital work but too high for sensitive RF circuits
KORAD KA3005P Programmable DC Power Supply
Prices may change · Free shipping with Prime
Our Verdict
The KA3005P is the go-to first bench supply for electronics hobbyists. PC control via SCPI at under $100 is genuinely unusual. The fan noise and ripple keep it out of audio/RF labs, but for Arduino, embedded, and general repair work it earns its bench space.
KORAD KA3005P Programmable DC Power Supply
$89
Prices may change · Free shipping with Prime
| Full Specifications | |
|---|---|
| Output Voltage | 30V |
| Max Current | 5A |
| Load Regulation | 0.01% |
| Line Regulation | 0.01% |
| Ripple & Noise | 5mV |
| Programmable | Yes |
| Channels | 1 |
| Display | 4-digit LED |
| Interface | USB + RS-232 |
| Dimensions | 215 × 95 × 310 mm |
| Weight | 3.2kg |
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KORAD KA3005P Programmable DC Power Supply
$89
Prices may change · Free shipping with Prime