The FN21X223K500PXG is a type of Multilayer Ceramic Capacitor (MLCC) manufactured by Prosperity. It is an SMD/SMT 22 nF (nano Farad) 50V 0805 device that meets RoHS specifications. The capacitor is RoHS compliant, meaning that it does not contain any hazardous materials including lead or mercury. The FN21X223K500PXG is designed for electronic applications such as signal filtering, decoupling, and power conditioning in a wide range of devices including consumer electronics, telecommunication products, industrial and medical equipment, etc. The maximum operating temperature range for the MLCC is from -55°C (-67°F) to +125°C (257°F). The device has an insulation resistance of more than 200 G? (giga-ohms) and dielectric strength of more than 250V (RMS). It also has a capacitance tolerance of ±20%.