Resistors
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Resistors are passive electronic components.
File:Resistors.jpg
Examples of resistors.
Identification
Resistors' values are shown on the resistor in a
| Color | 1st band | 2nd band | 3rd band (multiplier) | 4th band (tolerance) | Temp. Coefficient |
|---|---|---|---|---|---|
| Black | 0 | 0 | ×100 | ||
| Brown | 1 | 1 | ×101 | ±1% (F) | 100 ppm |
| Red | 2 | 2 | ×102 | ±2% (G) | 50 ppm |
| Orange | 3 | 3 | ×103 | 15 ppm | |
| Yellow | 4 | 4 | ×104 | 25 ppm | |
| Green | 5 | 5 | ×105 | ±0.5% (D) | |
| Blue | 6 | 6 | ×106 | ±0.25% (C) | |
| Violet | 7 | 7 | ×107 | ±0.1% (B) | |
| Gray | 8 | 8 | ×108 | ±0.05% (A) | |
| White | 9 | 9 | ×109 | ||
| Gold | ×10-1 | ±5% (J) | |||
| Silver | ×10-2 | ±10% (K) | |||
| None | ±20% (M) |
5% resistor Standard Values
10 ||11 ||12 ||13 ||15 ||16 ||18 ||20 ||22 ||24 ||27 ||30|| 33 ||36 ||39 ||43 ||47 ||51 ||56 ||62 ||68 ||75 ||82 ||91||Use
Questions
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