Instrumentation Laboratory Exercise 61
Table A-2 Resistor color band codes
Example: 1kΩ Resistor
• First band (a): Brown = 1
• Second Band (b): Black = 0
• Third Band (c): Red = 2
• Tolerance: Gold = 5%
Individual resistor values can vary from about 950 Ω to 1050 Ω.
a, b, c Bands tolerance Band
Color Value Color Value
Black 0 Gold ±5%
Brown 1 Silver ±10%
Red 2 Nothing ±20%
Orange 3
Yellow 4
Green 5
Blue 6
Violet 7
Gray 8
White 9
R 10 10
2
5% Ω±()10 100 5%±()× 1000 5%±== =
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