Make your own free website on Tripod.com

STANDARD COLOR CODES

see also constants & standards


Standar Color Codes
ColorSignificant
Figure
Decimal
Multiplier
Tolerance
in Percent
Voltage
Rating
0
1
± 20 (M)
--
1
10
± 1 (F)
100
2
100
± 2 (G)
200
3
1 000
± 3
300
4
10 000
GMV‡
400
5
100 000
± 5(J)‡, (0 50(D)))§
500
6
1 000 000
± 6' (0.25(C))§
600
7
10 000 000
± 12.5, (0,10(B))§
700
8
0.01 *
± 30, (0,05(N))§
800
9
0.1 *
± 10 *
900
--
0.1
± 5 (J), (0,05(e))||
1 000
--
0.01 *
± 10 (K)
2 000
* Tolerance letter symbols as used in type designations has tolerance meaning as shown, ± 3, ± 6, ± 12.5 and ± 30 percent are tolerances for USA Std 40-, 20-, 10-, and 5-, step series, respectively.
‡ Optional coding where metallic pigments are undisirable
‡GMV is -0 to + 100 percent tolerance or guaranteed Minimum Vlue
§ for some film and other resisitors only
|| for some capacitors only

Resistor Color Codes

Color Band System
 

For composition type Resistor

  • Resistor with black body are composition, noninsulated
  • Resistor with colored body are composition, insulated
Wire wound Resistors have the 1st color band double width.
Miniature Resistor Code

ColorSignificant
Figure
Decimal
Multiplier
Tolerance
in Percent
Failure Rate
0
1
 
 
1
10
 
1.0
2
100
± 1 %
0.1
3
1 000
± 2 %
0.01
4
10 000
± 3 %
0.001
5
100 000
± 4 %
-
6
1 000 000
 
-
7
10 000 000
-
-
8
0.01 *
-
-
9
0.1 *
-
-
--
0.1
± 5 %
-
--
0.01 *
± 10%
-
EIA Transformer Color Codes
Power Transformer

RF Transformer


Audio Transformer


Updated April 1998.-