The 44909 from TE Connectivity is a Space-Qualified Temperature Sensor with a resistance of 30000 ohms and a tolerance of ± 0.2 Degrees C (0°C to 70°C). It has a beta value of 3943 K and a beta tolerance of 0.8 %. This flight-proven temperature sensor has a dissipation constant of 1 mW/°C and an insulation resistance of 500 V. It consists of a pressed disk ceramic sensor and thermally conductive epoxy coating that meet outgassing requirements. This GSFC S311-P18-01S7R6 qualified thermistor is ideal for extended space applications, low and mid-range temperature applications, tight tolerance instrumentation and applications requiring sensing small changes in temperature.