2 added 329 characters in body edited Jul 2 '14 at 14:22 Spehro Pefhany 218k5170447 Usually it's a 10K ohm thermistorthermistor. $$\\beta_{25/85}\$$ perhaps 4100. The Steinhart-Hart equation can be used to find the temperature from the resistance. Where $$\T_0\$$ is 298.15 K (25°C) and T is in Kelvin. Usually it's a 10K ohm thermistor. Usually it's a 10K ohm thermistor. $$\\beta_{25/85}\$$ perhaps 4100. The Steinhart-Hart equation can be used to find the temperature from the resistance. Where $$\T_0\$$ is 298.15 K (25°C) and T is in Kelvin. 1 answered Jul 2 '14 at 14:12 Spehro Pefhany 218k5170447 Usually it's a 10K ohm thermistor.