APPENDIX A

RESISTOR COLOR CODE

 

R(Value) = (1st Band) 2nd Band) x 10(3rd Band)

BAND 4 SPECIFIES RESISTOR TOLERANCE

RED 2%   GOLD 5%   SILVER 10%   NONE 20%

 

EXAMPLE:
RED RED YELLOW SILVER
2 2 4* 10%
R = 220000W,  Or 220 kW, 10%

*Remember this is the multiplier, in other words the amount of zeros

 

 

COLOR 1ST Band

2nd Band

 3rd Band Multiplier Tolerance
  Black   0 0 0 1W  
 Brown  1 1 1 10W ± 2%
   Red    2 2 2 100W ± 1%
 Orange 3 3 3 1KW  
  Yellow 4 4 4 10KW  
  Green  5 5 5 100KW ± 0.5%
   Blue    6 6 6 1MW ± 0.25%
  Violet  7 7 7 10MW ± 0.10%
   Gray  8 8 8 1W ± 0.05%
White 9 9 9 1W   
Gold       0.1 ± 5%
Silver       0.01 ± 10%

**

 

GRAPHICAL RESISTANCE CALCULATOR

in JAVASCRIPT

 Version 2.0

by Danny Goodman (dannyg@dannyg.com)

Analyzed and described at length in 

"JavaScript Bible"

(IDG Books ISBN 0-7645-3022-4)

This program is Copyright 1996 by Danny Goodman. 

 

 RESISTOR COLOR CODE

CALCULATOR

                          

 

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