[sdiy] SMT +3500 tempco?

[David G Dixon]

> Paul Schreiber wrote:
> > Is there such a thing that you can really buy? I see Vishay 
> parts at like +4100 which is close but......
> 
> Tyco do them in +3000 and +3900.  Farnell stock them:
> 
> 1k 3000		117-4311
> 1k 3900		117-4315
> 
> Just looked and they have several thousand of them in stock.
> Farnell also have them in 2k and 3k values.

You might want to check out the Panasonic ERA series of thermosensitive chip
resistors.  We used some for a recent build.  They come in three or four
different tempcos over a range of resistances and physical sizes:

http://www.panasonic.com/industrial/components/pdf/AOF0000CE1.pdf