The standard resistor color code table
| 標準電阻色碼及其它代號表示法參考資料 |
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| The standard resistor color code table: |
| Color |
1st digit |
2nd digit |
3rd digit* |
Multiplier |
Tolerance |
Temp. Coef. |
Fail Rate |
| Black |
0 |
0 |
0 |
×100 |
|
|
|
| Brown |
1 |
1 |
1 |
×101 |
±1% (F) |
100 ppm/K |
1% |
| Red |
2 |
2 |
2 |
×102 |
±2% (G) |
50 ppm/K |
0.10% |
| Orange |
3 |
3 |
3 |
×103 |
|
15 ppm/K |
0.01% |
| Yellow |
4 |
4 |
4 |
×104 |
|
25 ppm/K |
0.00% |
| Green |
5 |
5 |
5 |
×105 |
±0.5% (D) |
|
|
| Blue |
6 |
6 |
6 |
×106 |
±0.25%(C) |
|
|
| Violet |
7 |
7 |
7 |
×107 |
±0.1% (B) |
|
|
| Gray |
8 |
8 |
8 |
×108 |
±0.05% (A) |
|
|
| White |
9 |
9 |
9 |
×109 |
|
|
|
| Gold |
|
|
|
×0.1 |
±5% (J) |
|
|
| Silver |
|
|
|
×0.01 |
±10% (K) |
|
|
| None |
|
|
|
|
±20% (M) |
|
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| * 3rd digit - only for 5-band resistors |
|
| Standard resistance values |
| Example (E24) of ± 5% |
3 Digits |
Example (E96) ±1% |
4 Digits |
| (1) |
9Ω1 = 9.1 x 10-1 |
919 |
(1) |
9Ω1 = 910 x 10-1 |
9108 |
| (2) |
10Ω = 10 x 100 |
100 |
(2) |
10Ω1 = 101 x 100 |
1009 |
| (3) |
220Ω = 22 x 101 |
221 |
(3) |
221Ω = 221 x 101 |
2210 |
| (4) |
3.3KΩ = 33 x 102 |
331 |
(4) |
3.32KΩ = 332 x 102 |
3321 |
| (5) |
47KΩ = 47 x 103 |
473 |
(5) |
47K5Ω = 475 x 103 |
4752 |
| (6) |
510KΩ = 51 x 104 |
514 |
(6) |
517KΩ = 517 x 104 |
5173 |
| (7) |
6M2Ω = 62 x 105 |
625 |
(7) |
6M26Ω = 626 x 105 |
6264 |
|
| According Code |
| Tolerance |
Resistance E24 (Ω) |
Resistance E96 (Ω) |
T.C.R ppm/℃ |
| A: |
±0.01% |
m5 = R0005 |
m5 = R0005 |
A: |
±5ppm |
| B: |
±0.1% |
5m = R005 |
5m = R005 |
B: |
±10ppm |
| C: |
±0.25% |
50m = R05 |
50m = R05 |
C: |
±15ppm |
| D: |
±0.5% |
100m = R10 |
100m = R10 |
D: |
±25ppm |
| F: |
±1% |
1000m = 1R0 |
1000m = 1R0 |
E: |
±50ppm |
| G: |
±2% |
1R = 1R00 |
1R = 1R00 |
F: |
±75ppm |
| H: |
±3% |
10R = 10R0 |
10R = 10R0 |
G: |
±100ppm |
| J: |
±5% |
100R = 101 |
100R = 1000 |
H: |
±200ppm |
| K: |
±10% |
1K = 102 |
1K = 1001 |
I: |
±300ppm |
| L: |
±30% |
10K = 103 |
10K = 1002 |
J: |
±400ppm |
| M: |
±20% |
100K = 104 |
100K = 1003 |
K: |
±500ppm |
| N: |
±50% |
1M = 105 |
1M = 1004 |
L: |
±600ppm |
| Z: |
+80-20% |
10M = 106 |
10M = 1005 |
Z: |
>1000ppm |
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