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Ohm Bands

Orange Violet Red Gold — 3.7 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.

37×100±5%
Orange3Violet7Red×100Gold±5%

Value

3.7 kΩ

Range at ±5%

3.515 kΩ – 3.885 kΩ

Standard value

Non-standard

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


What each band says

BandColourMeaning
1Orange1st digit — 3
2Violet2nd digit — 7
3RedMultiplier — ×100
4GoldTolerance — ±5%

In a circuit

Across 5 V

1.35 mA · 6.76 mW · 1/8 W part

Across 12 V

3.24 mA · 38.9 mW · 1/8 W part

Surface-mount marking for the same value: 372.

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.