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Common resistor value

330 Ω resistor color code

This finite reference shows exact four-band and five-band codes plus their tolerance ranges.

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Bands and exact resistance

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Colors do not reveal power rating, voltage rating, resistor technology, or whether the component is safe. Verify band orientation and manufacturer markings.

330 Ω codes

The four-band example uses ±5%; the five-band example uses ±1%. Both are calculated without rounding.

4 bands

OrangeOrangeBrownGold

330 Ω · ±5% · 313.5 Ω–346.5 Ω

5 bands

OrangeOrangeBlackBlackBrown

330 Ω · ±1% · 326.7 Ω–333.3 Ω