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Ohm Bands

Violet Orange Silver Gold — 0.73 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.

73×0.01±5%
Violet7Orange3Silver×0.01Gold±5%

Value

0.73 Ω

Range at ±5%

0.6935 Ω – 0.7665 Ω

Standard value

Non-standard

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


What each band says

BandColourMeaning
1Violet1st digit — 7
2Orange2nd digit — 3
3SilverMultiplier — ×0.01
4GoldTolerance — ±5%

In a circuit

Across 5 V

6.85 A · 34.2 W · part

Across 12 V

16.4 A · 197 W · part

Surface-mount marking for the same value: R73.

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.