KORAD KA3005P Programmable DC Power Supply vs Pomona 5069 Deluxe Banana Plug Test Lead Set
Head-to-head spec comparison to help you pick the right supply for your needs.
KORAD
$89
Pomona
$38
Spec-by-Spec Comparison
| Spec | KORAD KA3005P Programmable DC Power Supply | Pomona 5069 Deluxe Banana Plug Test Lead Set |
|---|---|---|
| Output Voltage | 30 V | 0 V |
| Max Current | 5 A | 30 A |
| Load Regulation | 0.01 % | 0 % |
| Ripple & Noise | 5 mV | 0 mV |
| Programmable | Yes | No |
| Channels | 1 | 2 |
| Display | 4-digit LED | N/A |
| Interface | USB + RS-232 | 4mm banana plug |
| Price | $89 | $38 |
| Rating | 8.4/10 | 8.9/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
KORAD KA3005P Programmable DC Power Supply
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
Pomona 5069 Deluxe Banana Plug Test Lead Set
Pros
- Silicone-insulated leads rated to 30A / 1000V — handles high-current bench work without insulation creep
- Standard 4mm banana plugs fit virtually every bench supply and multimeter without adapter hassle
- Color-coded red/black with shrouded plugs for CAT III safety compliance
- Flexible at low temperatures — silicone doesn't stiffen in cold garages or poorly heated labs
- Repeat-purchase anchor: quality leads outlast three sets of cheap alternatives
Cons
- No alligator clips or probe tips included — a complete lead kit requires separate accessories
- Silicone insulation picks up dust and debris more readily than PVC; wipe down periodically
- Higher price than budget sets from untested brands
Our Verdicts
KORAD KA3005P Programmable DC Power Supply
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.
Pomona 5069 Deluxe Banana Plug Test Lead Set
Test leads are the most overlooked bench consumable. Cheap leads introduce contact resistance that corrupts measurements. The Pomona 5069 is the standard recommendation in r/electronics precisely because the banana plug fit is reliable and the silicone insulation lasts.
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