[sdiy] tempcos

[Ian Fritz]

At 09:05 PM 6/10/2004, harrybissell wrote:
>from Micro-ohm.  1/6W 1Kohm +3500TC 5% for
>$1.05 each in hundreds, $.85 in thousands
>
>The actual tolerance of TEMPERATURE coefficient
>is not that great, but neither are their wirewounds ?
>
>I'm gonna get a hundred, but if a lot of other people
>are in we could go for the 1000...
>
>Any comments on this tempco.  I've used a few
>sucessfully. they are not as accurate as the KRL-Bantry
>or the Vishay-Ultronix...


Careful with that low-wattage stuff -- you can get into problems with 
self-heating.  I had trouble measuring the SMT guys because of them 
drifting around.

   Ian