The CAP ALUM POLY 470UF 20 2V SMD capacitor features a high capacitance of 470 microfarads and a working voltage of 2 volts. It is constructed with an aluminum-polymer material and is designed for surface-mount applications in the 2917 (7343 metric) package size, with an ESR rating of approximately 6 milliohms. This capacitor is specified to withstand temperatures up to 105°C for a duration of 2000 hours.