Resistor color codes
Number | Color | Tolerance |
---|---|---|
0 | Black | 0% |
1 | Brown | ±1% |
2 | Red | ±2% |
3 | Orange | - |
4 | Yellow | - |
5 | Green | - |
6 | Blue | - |
7 | Violet | - |
8 | Gray | - |
9 | White | - |
- | Gold | ±5% |
- | Silver | ±10% |
- | no band | ±20% |
- For example in this example , value of the resistor is ;
- 1.Digit = Yellow = 4
- 2.Digit = Orange = 3
- Zeros = Red = 10^2
- Tolerance
- Gold = ±5%
- Silver = ±10%
- No Band = ±20%
- R = (43 * 10^2) ±10% = 4300 ± 10% = 3870 ~ 4730 ohms
Practice:
What is the resistance? |
red brown blue
21000000 ohms |
green yellow yellow
540000 ohms |
orange violet brown
370 ohms |
green red red
5200 ohms |
Are these correct? Yes.
External Link edit
- [1] dot com [/nozomsite/resistor1.htm] - Resistance Color Codes Tutorial With Examples and Calculator.