The Murata NCP18XQ681E03RB is an electronic part featuring NTC (Negative Temperature Coefficient) Thermistors 0603 680ohms 3% BConstant 3650-3699K. It is an integrated circuit for thermal control applications, and is designed to detect the temperature change due to the presence of heat. The NCP18XQ681E03RB has an 0603 package, and comes with a B Constant of 3650-3699K which indicates the temperature range in which it will work. The resistance of the thermistor is 680ohms, with a tolerance of 3%. The component is suitable for various industrial as well as domestic applications like temperature control systems, heating and cooling devices, climate control systems, etc. The electronic part is manufactured by Murata, a leading Japanese manufacturer of electronic components.