[sdiy] tempcos..

[Scott Gravenhorst]

    http://home.earthlink.net/~ijfritz/sy_cir9.htm


James Patchell <patchell at cox.net> wrote:
>Thanks Fritz...I forgot about that...maybe you should post a link to your 
>website as damion might be able to make good use of that information.
>
>At 07:40 PM 8/31/2004 -0600, Ian Fritz wrote:
>>Not offhand, but easy enough to find for you.  :-)
>>
>>They call them Panasonic Metal Film Thermosensitive Chip Resistors.
>>Page 865 in current catalog (T041)
>>Part # is:    P + Value + "CDCT-ND",   if you use the 3300ppm/.1W variety.
>>Price is 10/$5.52.
>>
>>Values only go up to 1.8k, so you can either modify your circuit to use 
>>1.8k instead of 2k, or you can use 2 x1k in series, or you can use a 
>>circuit designed for 1k.  My dial-a-tempco circuit can be set up for any 
>>convenient tempco value.
>>
>>   Ian
>>
>>
>>At 07:12 PM 8/31/2004, James Patchell wrote:
>>>Do you know the Digikey part number...of hand?....
>>>
>>>At 07:04 PM 8/31/2004 -0600, Ian Fritz wrote:
>>>>Don't forget the little surface mount ones that Digikey carries.  Only 
>>>>~60c IIRC.  Self heating could be an issue, but still probably worth trying ...
>>
>
>         -Jim
>***************************************************************
>http://www.oldcrows.net/~patchell
>
>***************************************************************
>
>

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