The CAP ALUM POLY 330UF 20 2V SMD capacitor is a type of aluminum-polymer component, with a capacitance value of 330 microfarads and a voltage rating of 2 volts. It has a small size designation of 2917 (or metric code 7343) and features an ESR (equivalent series resistance) of 12 milliohms. This capacitor is designed to withstand temperatures up to 105°C for a lifespan of 1000 hours, making it suitable for various electronic applications.