Resistors marking content and method
Table 5
|
Text Symbols
|
R
|
K
|
M
|
G
|
T
|
|
Indicates the unit
|
Ohm(W)
|
kilohms (10
3
W)
|
Megaohm (10
6
W)
|
Gigaohm (10
9
W)
|
Teraohm (10
12
W)
|
|
color
|
First valid value
|
The second valid value
|
Ratio
|
Tolerance
|
|
black
|
0
|
0
|
|
|
|
Brown
|
1
|
1
|
|
|
|
red
|
2
|
2
|
|
|
|
orange
|
3
|
3
|
|
|
|
yellow
|
4
|
4
|
|
|
|
green
|
5
|
5
|
|
|
|
blue
|
6
|
6
|
|
|
|
Purple
|
7
|
7
|
|
|
|
Ash
|
8
|
8
|
|
|
|
white
|
9
|
9
|
|
―20% ~ +50%
|
|
gold
|
|
|
|
5%
|
|
silver
|
|
|
|
10%
|
|
colorless
|
|
|
|
20%
|
Figure 1 Color ring representation of two-digit resistance value
2 = 1.0kW ± 20% resistor.
3 = 15kW±5% resistor.
4 = 2.75MW ± 1% resistor.
|
color
|
First valid value
|
The second valid value
|
The third effective value
|
Ratio
|
Tolerance
|
|
black
|
0
|
0
|
0
|
|
|
|
Brown
|
1
|
1
|
1
|
|
1%
|
|
red
|
2
|
2
|
2
|
|
2%
|
|
orange
|
3
|
3
|
3
|
|
|
|
yellow
|
4
|
4
|
4
|
|
|
|
green
|
5
|
5
|
5
|
|
0.5%
|
|
blue
|
6
|
6
|
6
|
|
0.25
|
|
Purple
|
7
|
7
|
7
|
|
0.1%
|
|
Ash
|
8
|
8
|
8
|
|
|
|
white
|
9
|
9
|
9
|
|
|
|
gold
|
|
|
|
|
|
|
silver
|
|
|
|
|
|
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