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Ohm Bands

Grey Red Gold Gold — 8.2 Ω

Read left to right, starting from the end where the bands are grouped. The gold band is the tolerance and always sits alone at the far end.

82×0.1±5%
Grey8Red2Gold×0.1Gold±5%

Value

8.2 Ω

Range at ±5%

7.79 Ω – 8.61 Ω

Standard value

E12

Full page for 8.2 Ω →


What each band says

BandColourMeaning
1Grey1st digit — 8
2Red2nd digit — 2
3GoldMultiplier — ×0.1
4GoldTolerance — ±5%

In a circuit

Across 5 V

610 mA · 3.05 W · part

Across 12 V

1.46 A · 17.6 W · part

Surface-mount marking for the same value: 8R2.

If you misread one band

Brown and red, or orange and red, are easy to confuse under a desk lamp. These are the codes one band away from this one.