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Ohm Bands

Red Violet Black Red Brown — 27 kΩ

Read left to right, starting from the end where the bands are grouped. The brown band is the tolerance and always sits alone at the far end. Five bands means three significant digits — this is a precision part.

270×100±1%
Red2Violet7Black0Red×100Brown±1%

Value

27 kΩ

Range at ±1%

26.73 kΩ – 27.27 kΩ

Standard value

E12

Full page for 27 kΩ →


What each band says

BandColourMeaning
1Red1st digit — 2
2Violet2nd digit — 7
3Black3rd digit — 0
4RedMultiplier — ×100
5BrownTolerance — ±1%

In a circuit

Across 5 V

185 µA · 926 µW · 1/8 W part

Across 12 V

444 µA · 5.33 mW · 1/8 W part

Surface-mount marking for the same value: 273.

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.