[sdiy] SMT +3500 tempco?

[Ingo Debus]

Am 03.10.2011 um 20:13 schrieb Tim Parkhurst:

> On Mon, Oct 3, 2011 at 5:48 AM, Harry Bissell <harrybissell at wowway.com> wrote:
>> you'd need some pretty fine wire to roll your own and have it smaller than a breadbox...
>> 
>> (to achieve 2K resistance you need a LOT of wire)
>> 
>> not to mention the inductance you would get as a side effect (unless you use a special winding technique)
>> 
>> H^) harry
>> 
> 
> Yeah, about 5 minutes after I sent that, I realized you need the 2K
> resistance to change with temp. Whoops.

A long time ago someone here suggested to use the coil of a DIL reed relay. There are some types that have indeed a resistance of 2k.

But then, at that price you can use a real tempco instead.

Ingo