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Resistor and Capacitor Colour Code

Part of the Electronics For Dummies Cheat Sheet (UK Edition)

Use this table to decipher the colour code on your resistors and capacitors. Distinguishing some colours from others can be tricky, so examine small parts really closely – perhaps with a magnifying glass and always under good light.

Colour 1st Digit 2nd Digit Multiplier Tolerance
Black 0 0 x 1 ± 20%
Brown 1 1 x 10 ± 1%
Red 2 2 x 100 ± 2%
Orange 3 3 x 1,000 ± 3%
Yellow 4 4 x 10,000 ± 4%
Green 5 5 x 100,000
Blue 6 6 x 1,000,000
Violet 7 7 x 10,000,000
Grey 8 8 x 100,000,000
White 9 9
Gold x 0.1 ± 5%
Silver x 0.01 ± 10%
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Electronics For Dummies Cheat Sheet (UK Edition)

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