The CAP ALUM POLY 68UF 20 50V SMD is a type of capacitor that features an aluminum-polymer construction. It has a capacitance value of 68 microfarads and can withstand a maximum voltage of 50 volts. This component is designed for use in surface-mount devices (SMD) and features a radial, can design. Additionally, it boasts a low equivalent series resistance (ESR) of 29 milliohms and has been tested to last for up to 3000 hours at a temperature of 105 degrees Celsius.