Skip to content
Ohm Bands

Orange Brown Yellow Gold — 310 kΩ

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.

31×10k±5%
Orange3Brown1Yellow×10kGold±5%

Value

310 kΩ

Range at ±5%

294.5 kΩ – 325.5 kΩ

Standard value

Non-standard

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


What each band says

BandColourMeaning
1Orange1st digit — 3
2Brown2nd digit — 1
3YellowMultiplier — ×10k
4GoldTolerance — ±5%

In a circuit

Across 5 V

16.1 µA · 80.6 µW · 1/8 W part

Across 12 V

38.7 µA · 465 µW · 1/8 W part

Surface-mount marking for the same value: 314.

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.