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Ohm Bands

Orange White Red Gold — 3.9 kΩ

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.

39×100±5%
Orange3White9Red×100Gold±5%

Value

3.9 kΩ

Range at ±5%

3.705 kΩ – 4.095 kΩ

Standard value

E12

Full page for 3.9 kΩ →


What each band says

BandColourMeaning
1Orange1st digit — 3
2White2nd digit — 9
3RedMultiplier — ×100
4GoldTolerance — ±5%

In a circuit

Across 5 V

1.28 mA · 6.41 mW · 1/8 W part

Across 12 V

3.08 mA · 36.9 mW · 1/8 W part

Surface-mount marking for the same value: 392.

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.