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Ohm Bands

Red White Silver Gold — 0.29 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.

29×0.01±5%
Red2White9Silver×0.01Gold±5%

Value

0.29 Ω

Range at ±5%

0.2755 Ω – 0.3045 Ω

Standard value

Non-standard

No E24 part carries this value — check you are reading from the right end.


What each band says

BandColourMeaning
1Red1st digit — 2
2White2nd digit — 9
3SilverMultiplier — ×0.01
4GoldTolerance — ±5%

In a circuit

Across 5 V

17.2 A · 86.2 W · part

Across 12 V

41.4 A · 497 W · part

Surface-mount marking for the same value: R29.

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.