Peter McNulty wrote:
> Do you know where to purchase RTD's online that ship internationally?
> Digikey doesn't have RTD's and they don't give
> very much information on what they are selling.


> I only need a temp range of about -40 to 100 C


   Maybe Microchip's TCN75 2-Wire Serial Temperature=20
Sensor and Thermal Monitor (21490b.pdf) will match.

Features:
Solid-State Temperature Sensing 0.5=B0C Accuracy (Typ.)
Operates from -55=B0C to +125=B0C

   Here in the Ukraine local Microchip folks sell them
for  $1.24 retail.

   Mike.

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