The professional Honeywell 120 and 121 series thermistors highly reliable shock resistant, ruggged, glass-encapsulated units that are usable for a variety of applications. These thermistors are available as standard or mini and have a maximum operating temperature of 300°C. Hermetically sealed in glass and also available in tolerances from ± 1 % to ± 25 %. R-T Curve - 11Thermistor Type = NTCResponse Time = 10 s