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Ohm Bands

Yellow Green Yellow Gold — 450 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.

45×10k±5%
Yellow4Green5Yellow×10kGold±5%

Value

450 kΩ

Range at ±5%

427.5 kΩ – 472.5 kΩ

Standard value

Non-standard

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


What each band says

BandColourMeaning
1Yellow1st digit — 4
2Green2nd digit — 5
3YellowMultiplier — ×10k
4GoldTolerance — ±5%

In a circuit

Across 5 V

11.1 µA · 55.6 µW · 1/8 W part

Across 12 V

26.7 µA · 320 µW · 1/8 W part

Surface-mount marking for the same value: 454.

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.