Typical colour chart for resistors
| Colour | Digits | Multiply by | Tolerance | Reliability* | Temp. Coef.**
|
|---|
| Silver | | 0,01 | ± 10% | |
|
|---|
| Gold | | 0,1 | ± 5% | |
|
|---|
| Black | 0 | 1 | | |
|
|---|
| Brown | 1 | 10 | ± 1% | 1% | 100
|
|---|
| Red | 2 | 100 | ± 2% | 0,1% | 50
|
|---|
| Orange | 3 | 1.000 | ± 3% | 0,01% | 15
|
|---|
| Yellow | 4 | 10.000 | ± 4% | 0,001% | 25
|
|---|
| Green | 5 | 100.000 | ± 0,5% | |
|
|---|
| Blue | 6 | 1.000.000 | ± 0,25% | | 10
|
|---|
| Purple | 7 | 10.000.000 | ± 0,1% | Means it's fusible | 5
|
|---|
| Grey | 8 | 100.000.000 or 0,01 | ± 0,025% | |
|
|---|
| White | 9 | 1.000.000.000 or 0,1 | | Solder type terminal | 1
|
|---|
| None | | | ± 20% |
|
|---|
* failure rates after 100 hours of operation
** temperature coefficient in PPM/°C
A resistor calculator:
http://samengstrom.com/5107960/en/read/Resistor_Color_Codes
EIA normalized values:
http://www.pc-control.co.uk/resistor-eia.htm
Colour distribution
| ≤ 1% | 2% ... 10% | 20%
|
|---|
| Digit Digit Digit Mult. Tol. (TempC/Rel) | Digit Digit Mult. Tol. (TempC/Rel) | Digit Digit Mult.
|
Only TempC (temperature coefficient) or Rel (reliability) (not both) is specified in a given resistor.
Capacitor tolerance codes
| B | ± 0,1% | C | ± 0,25% | D | ± 0,5% | F | ± 1% | G | ± 2% | J | ± 5% | K | ±
10% | M | ± 20%
|
|---|
Capacitors are measured in pF.