100
1000
10000
100000
1x10 6
-40
-20
0
20
40
60
80
100
120
140
[Ohm]
[ o C]
'20k' using 1:2
20000*exp(3108*(1/(x+273.15)-1/298.15))
20000*exp(3958*(1/(x+273.15)-1/298.15))
20000*exp(4582*(1/(x+273.15)-1/298.15))