The QT18B20 with Temperature Sensors TO-92 RoHS is a single-pole, single-throw (SPST) semiconductor device manufactured by 7Q-TEK. It is designed to measure ambient temperatures in either Celsius or Fahrenheit scales. The device is comprised of a thin-film thermistor, a linear analog output signal, a resistance-temperature curve, and a sensitive temperature range. Its temperature sensing range spans -10C to +125C, with a minimum temperature resolution of 0.0625C. Its maximum power dissipation is up to 75 mW, and it features a high dielectric strength and a low thermal resistance. The device is RoHS (Restriction of Hazardous Substances) compliant, and is designed for applications such as refrigerators, coolers, air conditioning systems, and automotive applications.