[Hallicrafters] Resistor coding

[Bob Sullivan]

Skip,

There is more than one answer but in the case of older comp resistors the 
fifth band is used to indicate stability over time. (percent change in 
resistance per 1000 hours) Yellow is .001%.

73, Bob
WØYVA
My station: http://www.isquare.com/personal_pages/hardware-14.htm




At 09:37 PM 2/20/2005, Waldo Magnuson wrote:
>I've been sorting resistors into individual-value trays and have run 
>across a few resistors with 5 color bands.  For example one in my hand now has:
>Red-Red-Black-Gold-Yellow which is a 22.0 ohm 5% but I'm wondering what 
>the fifth band represents.  The Allied book doesn't address 5 color bands, 
>neither does Radiotron Designer's Handbook.  Thanks.
>73,  Skip Magnuson  W7WGM
>
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