4.7 kΩ, ±5%
- Input
- yellow-violet-red-gold
- Expected output
- 4k7 ±5%
47 × 100 = 4,700 Ω, with a window of 4,465 to 4,935 Ω.
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4.7k resistor color code
The 4.7 kΩ resistor, written 4k7 on schematics, wears yellow, violet, red and a tolerance band. Yellow (4) and violet (7) make 47, and red multiplies by 100, giving 4,700 Ω. The calculator opens on exactly this case, with a gold ±5% tolerance band.
47 × 100 = 4,700 Ω, with a window of 4,465 to 4,935 Ω.
Swapping red for orange multiplies the value by ten: 47 × 1,000 = 47 kΩ.
Gold in the multiplier slot is ×0.1, and 47 × 0.1 = 4.7 Ω, a thousand times less.
470 × 10 = 4,700 Ω, now at ±1%, between 4,653 and 4,747 Ω.
Typing 4k7 into the calculator returns yellow, violet and red, with gold in the tolerance slot.
Start from the end opposite the tolerance band. The tolerance band is usually gold or silver (or visibly set apart from the rest with a wider gap), so it's always read last, and tells you which end to begin at.
Yellow, violet, red and a tolerance band, commonly gold (±5%). On five bands: yellow, violet, black, brown and the tolerance.
Look at the multiplier. Red is ×100 and gives 4.7 kΩ; orange is ×1,000 and gives 47 kΩ. The first two digits, yellow and violet, are the same.
It is RKM notation: the k takes the place of the decimal point, so 4k7 is 4.7 kΩ or 4,700 Ω. Likewise, 4R7 is 4.7 Ω.
No. The 4.7 value is in the E12 and E24 series. In E96, the closest values are 4.64 kΩ and 4.75 kΩ.
This is a standard E24 value (typical tolerance ±5%).
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