The CAP ALUM POLY 470UF 20 2V SMD is a type of capacitor. It has a capacitance value of 470 microfarads and operates at a voltage of 2 volts. This component utilizes an aluminum-polymer construction and features dimensions suitable for surface-mount device (SMD) applications, with a metric designation of 2917 or 7343. The specified leakage current is 12 milliohms, and the expected lifespan at high temperatures is 2000 hours when operated at 105 degrees Celsius.