Resistor 330Ω 3W Axial Through-Hole Power Resistor
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Prices updated: 13 Oct 2026
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About this product
A 330 Ω, 3 W power resistor with axial leads for through-hole mounting. It suits circuits that need more power handling than a standard 1/4 W resistor, such as current-limiting and load circuits.
Specifications
- Resistance
- 330 Ω
- Power rating
- 3 W
- Mounting
- Axial through-hole
Frequently asked questions
What is the maximum current at full power rating?
Using P = I²R, 3 W across 330 Ω corresponds to about 95 mA (√(3/330) ≈ 0.095 A). Keep the current below this value and add margin for heat.
What power does it dissipate on a 5 V circuit?
Across 330 Ω at 5 V, the current is about 15 mA and the dissipation is about 0.08 W, well within the 3 W rating.