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Ohm Bands

Red Violet Blue Gold — 27 MΩ

Read left to right, starting from the end where the bands are grouped. The gold band is the tolerance and always sits alone at the far end.

27×1M±5%
Red2Violet7Blue×1MGold±5%

Value

27 MΩ

Range at ±5%

25.65 MΩ – 28.35 MΩ

Standard value

Non-standard

No E24 part carries this value — check you are reading from the right end.


What each band says

BandColourMeaning
1Red1st digit — 2
2Violet2nd digit — 7
3BlueMultiplier — ×1M
4GoldTolerance — ±5%

In a circuit

Across 5 V

0.185 µA · 0.926 µW · 1/8 W part

Across 12 V

0.444 µA · 5.33 µW · 1/8 W part

Surface-mount marking for the same value: 276.

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.