The WMF21-10D9XMPSP8CB8 is a through-hole NTC thermistor manufactured by Tyohm, which meets the RoHS standards for electrical components. It is a temperature-sensitive resistor used to measure and control temperature in electronic systems and devices. This component also features a high-precision winding for accurate temperature readings and good stability. Its resistance decreases as the temperature increase, making it a great choice for thermal management and temperature control applications. It has a series resistance of 10 ohms, and its tolerance measures at 10%. The WMF21-10D9XMPSP8CB8 has an operating temperature range of -30 to 125°C and a dissipation constant of 6 mW/°C.