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Unless it's a 1% tolerance in which case.....

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Morse

(A)

In Reply to: Re: Help Identifying Radio Shack Resistors posted by mike on June 12, 2002 at 13:02:10:

Right, unless it's a 1% tolerance resistor, in which case it's got an extra colour stripe. The first 3 stripes are for the value, a fourth stripe is for the number of 10's in the multiplier, and the fifth (brown) stripe is for the tolerance.
Thus, for a 120 kOhm 1% resistor, it would be:
Brown-Red-Black-Orange-Brown
Sometimes it's a bit tricky to tell which end is which in the 1% resistors.
Incidentally, Gold is 5% tolerance, Silver is 10% tolerance, and if there is no tolerance band it's 20%. Occasionally a yellow band will be found after the tolerance band on older, 'vintage' resistors; this indicates fire resistance. Otherwise you use the colours as given in the preceding post.
Regards,
Morse

Follow Ups:

Re: Unless it's a 1% tolerance in which case..... - mike 22:35:06 06/12/02 (1)
aaaaagghhhhhhh you got that right !!!!
But the RS bags are 5% ..... I think
I hate those MFs (1%) colorcoded .....
- Re: Unless it's a 1% tolerance in which case..... - Morse 08:06:27 06/13/02 (0)
  LOL! I can't stand trying to read the little 1% jobs either!
  Well, actually I have bought a few of the 1% tolerance packs at Radio Shack. It's a decent deal: 50 assorted quarter watt 1% metal films for $6. NTE and ECG usually set me back more than that for their quarter and eighth watt 2% metal films.
  Regards,
  Morse

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