FN03X821K500PLG is a Multilayer Ceramic Capacitor (MLCC) manufactured by Prosperity. This MLCC has a surface-mount/surface-mount design with a capacitance of 820pF, a voltage rating of 50V, and a size of 0201. The part number is also RoHS compliant, ensuring that it meets the safety and environmental standards of the European Union. This MLCC is specifically designed for use in high-temperature applications, such as in automotive, power electronics, and consumer products.