The CAP ALUM POLY 47UF 20 25V SMD is a type of capacitor that features an aluminum-polymer construction. It has a radial can design and is intended for surface-mount device (SMD) applications. This component has a capacitance value of 47 microfarads, operates at a maximum voltage of 25 volts, and boasts a low equivalent series resistance (ESR) of 30 milliohms. Additionally, it offers an impressive lifespan of up to 5000 hours when subjected to a temperature of 105 degrees Celsius.