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Ohm Bands

Brown Black Gold Gold — 1 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.

10×0.1±5%
Brown1Black0Gold×0.1Gold±5%

Value

1 Ω

Range at ±5%

0.95 Ω – 1.05 Ω

Standard value

E6

Full page for 1 Ω →


What each band says

BandColourMeaning
1Brown1st digit — 1
2Black2nd digit — 0
3GoldMultiplier — ×0.1
4GoldTolerance — ±5%

In a circuit

Across 5 V

5 A · 25 W · part

Across 12 V

12 A · 144 W · part

Surface-mount marking for the same value: 1R0.

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.