A four-band or five-band resistor has colour bands to specify resistance
and basic tolerance. A resistor with six bands also has a band to
specify temperature coefficient.
| Four band |
1 |
2 |
|
3 |
4 |
|
| Five band |
1 |
2 |
3 |
4 |
5 |
|
| Six band |
1 |
2 |
3 |
4 |
5 |
6 |
| |
First digit of resistance |
Second digit of resistance |
Third digit of resistance |
Resistance multiplier |
Basic tolerance |
Temperature coefficient of resistance |
| silver |
|
|
|
0.01 |
10 % |
|
| gold |
|
|
|
0.1 |
5 % |
|
| black |
0 |
0 |
0 |
1 |
|
|
| brown |
1 |
1 |
1 |
10 |
1 % |
100 ppm |
| red |
2 |
2 |
2 |
100 |
2 % |
50 ppm |
| orange |
3 |
3 |
3 |
1K |
|
15 ppm |
| yellow |
4 |
4 |
4 |
10K |
|
25 ppm |
| green |
5 |
5 |
5 |
100K |
0.5 % |
|
| blue |
6 |
6 |
6 |
1M |
0.25 % |
|
| violet |
7 |
7 |
7 |
10M |
0.1 % |
|
| grey |
8 |
8 |
8 |
|
|
|
| white |
9 |
9 |
9 |
|
|
|
