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Four Bands

1.2 Ω resistor colour code

Four bands: Brown · Red · Gold · Gold. The first two give the digits, the third multiplies, the fourth states how far off the real part may be.

12×0.1±5
Brown1Red2Gold×0.1Gold±5%

Nominal

1.2 Ω

1.2 ohms

Real range at ±5%

1.14 Ω – 1.26 Ω

A gold band allows this much drift.

Series

E12

Held in almost every parts drawer.


Band by band

BandColourMeaning
1Brown1st digit — 1
2Red2nd digit — 2
3GoldMultiplier — ×0.1
4GoldTolerance — ±5%

The same value on a five-band part

Precision resistors carry three significant digits instead of two, so the same 1.2 Ω looks different.

BrownRedBlackGoldBrown