A cheap and effective way to measure temperature, this PRG21BC2R2MM1RA thermistor from Murata belongs in your design. This part has a temperature range of -10 °C to 60 °C. It has 2 terminals. This product will be shipped in tape and reel packaging so that components can be mounted effectively. This product is 2 mm long, 0.9 mm tall and 1.25 mm deep.