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Ohm Bands

Blue Blue Green Gold — 6.6 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.

66×100k±5%
Blue6Blue6Green×100kGold±5%

Value

6.6 MΩ

Range at ±5%

6.27 MΩ – 6.93 MΩ

Standard value

Non-standard

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


What each band says

BandColourMeaning
1Blue1st digit — 6
2Blue2nd digit — 6
3GreenMultiplier — ×100k
4GoldTolerance — ±5%

In a circuit

Across 5 V

0.758 µA · 3.79 µW · 1/8 W part

Across 12 V

1.82 µA · 21.8 µW · 1/8 W part

Surface-mount marking for the same value: 665.

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.