The C0402X7R221K500NTB is a Multilayer Ceramic Capacitor (MLCC) manufactured by Eyang. It is a Surface Mount Device/Surface Mount Technology (SMD/SMT) component with a capacitance of 220pF, a voltage rating of 50V, and a size of 0402 (metric rating). It meets RoHS (Restriction of Hazardous Substances) standards. This capacitor is suitable for use in various applications, including RF, power supply, filter, timing, and general purpose applications.