The CAP ALUM POLY 68UF 20 16V SMD is a type of capacitor that utilizes an aluminum-polymer construction. It has a capacitance value of 68 microfarads and operates at a voltage rating of 16 volts. This component features a radial, can design with SMD (Surface Mount Device) compatibility. Its resistance is specified as 28 milliohms, and it is designed to withstand temperatures up to 105°C for a duration of 2000 hours.