The CAP ALUM POLY 22UF 20 16V SMD capacitor is a type of aluminum-polymer component. It has a capacitance value of 22 microfarads (µF) and a working voltage of 16 volts. This radial, can-type capacitor is designed for surface-mount device (SMD) applications. The specifications include an ESR (equivalent series resistance) value of approximately 90 milliohms and a lifespan of 2000 hours at a temperature of 105 degrees Celsius.