Resistor Color Codes
| Charts | Color | Value | Multiplier | Tolerance
|
|---|
 |
|
Black | 0 | 1 |
|
|
Brown | 1 |
10 |
±1 % |
|
Red | 2 |
100 |
±2 % |
Series Resistance Math:
RT = R1 + R2 + R3
Parallel Resistance Math:
1/RT = 1/R1 + 1/R2 + 1/R3 |
|
Orange |
3 | 1,000 |
±3 % |
|
Yellow | 4 |
10,000 |
±4 % |
|
Green |
5 |
100,000 |
|
 |
|
Blue | 6 |
1,000,000 |
|
|
Violet |
7 |
10,000,000 |
|
|
Gray |
8 |
100,000,000 |
|
|
White |
9 |
|
|
|
Gold |
|
0.1 |
|
|
Silver |
|
0.01 |
±10 % |
| none |
|
|
|
±20 %
|
P = Power (Watts)
I = Current (Amperes)
R = Resistance (Ohms)
E = Voltage (Volts)
Z = Impedance (Ohms)
( For AC circuits, substitute Z
for R )
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