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Ohm Bands

Brown Black Red Red Brown — 10.2 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.

102×100±1%
Brown1Black0Red2Red×100Brown±1%

Value

10.2 kΩ

Range at ±1%

10.098 kΩ – 10.302 kΩ


What each band says

BandColourMeaning
1Brown1st digit — 1
2Black2nd digit — 0
3Red3rd digit — 2
4RedMultiplier — ×100
5BrownTolerance — ±1%

In a circuit

Across 5 V

490 µA · 2.45 mW · 1/8 W part

Across 12 V

1.18 mA · 14.1 mW · 1/8 W part

Surface-mount marking for the same value: 103.

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.