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Ohm Bands

Orange White Silver Gold — 0.39 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.

39×0.01±5%
Orange3White9Silver×0.01Gold±5%

Value

0.39 Ω

Range at ±5%

0.3705 Ω – 0.4095 Ω

Standard value

E12

Full page for 0.39 Ω →


What each band says

BandColourMeaning
1Orange1st digit — 3
2White2nd digit — 9
3SilverMultiplier — ×0.01
4GoldTolerance — ±5%

In a circuit

Across 5 V

12.8 A · 64.1 W · part

Across 12 V

30.8 A · 369 W · part

Surface-mount marking for the same value: R39.

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.