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Ohm Bands

Brown Red Violet Gold Brown — 12.7 Ω

Read left to right, starting from the end where the bands are grouped. The brown band is the tolerance and always sits alone at the far end. Five bands means three significant digits — this is a precision part.

127×0.1±1%
Brown1Red2Violet7Gold×0.1Brown±1%

Value

12.7 Ω

Range at ±1%

12.573 Ω – 12.827 Ω

Standard value

E96

Full page for 12.7 Ω →


What each band says

BandColourMeaning
1Brown1st digit — 1
2Red2nd digit — 2
3Violet3rd digit — 7
4GoldMultiplier — ×0.1
5BrownTolerance — ±1%

In a circuit

Across 5 V

394 mA · 1.97 W · 5 W part

Across 12 V

945 mA · 11.3 W · part

Surface-mount marking for the same value: 130.

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.