[sdiy] thermistors

[René Schmitz]

At 11:59 23.05.02 -0400, Michael Schulze wrote:
>Can someone explain to me the difference between a tempco resistor and a
>thermistor?

A tempco resistor is typically made out of platinum (or other metalls or
alloys), 
which has the property that its resistance raises linearly with temperature. 
(PTC = positive temperature coefficient)

A thermistor is made out of silicium which has the property that the
resistance 
falls exponentially with temperature. (NTC = negative temperature
coefficient.)

Cheers,
 René


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uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159