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Ohm Bands

Violet Grey Green Gold — 7.8 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.

78×100k±5%
Violet7Grey8Green×100kGold±5%

Value

7.8 MΩ

Range at ±5%

7.41 MΩ – 8.19 MΩ

Standard value

Non-standard

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


What each band says

BandColourMeaning
1Violet1st digit — 7
2Grey2nd digit — 8
3GreenMultiplier — ×100k
4GoldTolerance — ±5%

In a circuit

Across 5 V

0.641 µA · 3.21 µW · 1/8 W part

Across 12 V

1.54 µA · 18.5 µW · 1/8 W part

Surface-mount marking for the same value: 785.

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.