Brown Red Brown Gold — 120 Ω

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.

What each band says

In a circuit

Surface-mount marking for the same value: 121.

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.

• Brown Black Brown100 Ω
• Brown Brown Brown110 Ω
• Brown Red Black12 Ω
• Brown Red Red1.2 kΩ
• Brown Red Orange12 kΩ
• Brown Red Gold1.2 Ω
• Brown Orange Brown130 Ω
• Brown Yellow Brown140 Ω