Resistors Color Codes


Electronic Electrical Devices | Resistor Supplier Distributors

Resistors are normally identified with a code. This code is visible as external bands circling the resistor.

Note: when substituting resistors, and the identical resistor is not available, you almost always be able to use a resistor with a value that falls within the original resistor 10 or 20%.

Color
1st Digit
2nd Digit
Multiplier
Tolerance
Quality*
Black
0
0
1
Brown
1
1
10
1% (F)
100 ppm
Red
2
2
100
2% (G)
50 ppm
Orange
3
3
1,000
15 ppm
Yellow
4
4
10,000
25 ppm
Green
5
5
100,000
0.5% (D)
Blue
6
6
1,000,000
0.25% (C)
Violet
7
7
10,000,000
0.10% (B)
Gray
8
8
100,000,000
0.05% (A)
White
9
9
None
Gold
0.1
5% (J)
Silver
0.01
10% (K)
None
20% (M)

The resistor shown to the left, has a value of:
62 X 100 5% ohms 50 ppm

* Indicates resistor is per MIL-STD-199

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