[Boatanchors] Old resistor values

[Yong Surk Lee]

Thanks for your reply. So do you think the carbon comp resistors recently
made are OK? I also have many resistors that I bought about 14 years ago.
These  does not show significant change in values.

----- Original Message ----- 
From: "Ted Minchin, ZL1MT." <tedm at xtra.co.nz>
To: <boatanchors at mailman.qth.net>
Sent: Wednesday, December 15, 2004 11:16 AM
Subject: Re: [Boatanchors] Old resistor values


> Yep, I have found that ALL the carbon comp resistors made in the 50's and
60's increase resistance with age, used or not.... My view is that they are
pretty to look at but best not used!!
> 73 de Ted
> ZL1MT
>
> >
> > From: "Yong Surk Lee" <yonglee at yonsei.ac.kr>
> > Date: 2004/12/15 Wed PM 02:56:31 GMT+13:00
> > To: <boatanchors at mailman.qth.net>
> > Subject: [Boatanchors] Old resistor values
> >
> >
> > I found thousands of NOS resistors ranging from 1ohm to a few megohms at
a
> > local hamfest. I believe these were made by Ohmite in the 50s or 60s.
These
> > resistors are unused. Strangely measured values of most of these
resistors
> > are about 10-20% higher than color coded values. Most of these are
0.25-2
> > watt and 5 or 10% tolerence resistors.
> > Here is my question. Does the resistor values increase as time passes
even
> > if unused? Anybody experienced this?
> >
> >
> >
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>