The CAP ALUM POLY 470UF 20 2V SMD capacitor is a type of aluminum-polymer component with a capacitance of 470 microfarads and a voltage rating of 2 volts. It features a surface-mount design (SMD) and has a metric designation of 2917 or 7343, depending on the manufacturer's specifications. This capacitor also boasts a low equivalent series resistance of 6 milliohms and is designed to withstand high temperatures, with an operating life expectancy of up to 2000 hours at 105 degrees Celsius.