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Ohm Bands

Yellow Grey Violet Red Brown — 48.7 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.

487×100±1%
Yellow4Grey8Violet7Red×100Brown±1%

Value

48.7 kΩ

Range at ±1%

48.213 kΩ – 49.187 kΩ


What each band says

BandColourMeaning
1Yellow1st digit — 4
2Grey2nd digit — 8
3Violet3rd digit — 7
4RedMultiplier — ×100
5BrownTolerance — ±1%

In a circuit

Across 5 V

103 µA · 513 µW · 1/8 W part

Across 12 V

246 µA · 2.96 mW · 1/8 W part

Surface-mount marking for the same value: 493.

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.