Resistor Color Codes


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The Standard EIA Resistor Color Code is used to imprint a resistor's value and tolerance in a standardized shorthand. Resistors will have either four or five color bands. The basic method of determining the value is the same for each, but there are some minor differences.

Four-band Resistors


4-band resistor

Color
1st band
(1st figure)
2nd band
(2nd figure)
3rd band
(multiplier)
4th band
(tolerance)
Black 0 0 100
Brown 1 1 101
Red

2

2

102

±2%

Orange

3

3

103


Yellow

4

4

104


Green 5 5 105
Blue 6 6 106
Violet 7 7 107
Gray

8

8

108


White

9

9

109


Gold

10-1

±5%

Silver

10-2

±10%



Five-band Resistors


5-band resistor

Color
1st band
(1st figure)
2nd band
(2nd figure)
3rd band
(3rd figure)
4th band
(multiplier)
5th band
(tolerance)
Black 0 0 0 100
Brown 1 1 1 101 ±1%
Red

2

2

2

102


Orange

3

3

3

103


Yellow

4

4

4

104


Green 5 5 5 105
Blue 6 6 6 106 ±0.5%
Violet 7 7 7 107 ±0.25%
Gray

8

8

8

108

±0.1%

White

9

9

9

109


Gold


10-1





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