Resistor color code (Warning: PG rated)

Warren Hrach warren11 at cox.net
Sun Mar 10 08:00:48 PST 2002


On Sat, 9 Mar 2002, Dick Lewis wrote:

>THE FOLLOWING IS POLITICALLY INCORRECT AND MAY OFFEND SENSITIVE VIEWERS.
>READER DISCRETION ADVISED. (Blame me, not Lan)
>
>On Sat, Mar 9 Lan Barnes owned up to the fact that his memory (like mine)
>is in decline, to wit:
>
>"Heck, I can't even remember the resistor color code -- what is the 
> color stripe pattern for 10 kilo-Ohm?"
>
>This should help:
>
>Bad       0   Black
>Boys      1   Brown
>Rape      2   Red
>Our       3   Orange
>Young     4   Yellow
>Girls     5   Green
>But       6   Blue
>Violet    7   Violet
>Gives     8   Gray
>Willingly 9   White
>
> The bands are "left justified" on the resistor body. The first two
>(reading from left to right) give the significant figures, the third
>the base-ten log of the multiplier.
>
>Hence, brown-black-orange would be 10 * 10^3 or 12K. Capiche?

There was often a 4th band for tolerance, none = 20%, silver = 10% and 
gold = 5%.  Wattage determined by size, This for all composition resistors.
Wirewound precision resistors usually had the ohm and tolerance printed on 
them. Hi wattage wirewoounds usually on a ceramic core also had ohms printed 
on side.
I used a lot of diff. kinds in my work from building HI-FI AMPS to ultra 
precision weighing system calibrators for the Atlas missle launchers. 

>For those who ignored the initial caveat and took offense, I'll be
>happy to post the randy saga of Milli Amp and Micro Farad.       
>__________________________________________________
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Never heard of Milli Amp nor Micro Farad but only recall the resistor saga 
from hearing it once or twice. 

Warren 





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