The CAP ALUM POLY 22UF 20 63V SMD is a type of aluminum-polymer capacitor. It has a radial design with a can shape and is suited for surface mount devices (SMD). The capacitor has an electrolytic capacitance value of 22 microfarads at a voltage rating of 63 volts. Additionally, it features an extremely low ESR (Equivalent Series Resistance) of 80 milliohms. Furthermore, the capacitor boasts an impressive lifespan of up to 4000 hours when subjected to temperatures as high as 125 degrees Celsius.