The CAP ALUM POLY 82UF 20 2.5V SMD is a type of capacitor, specifically an aluminum-polymer capacitor with a capacitance value of 82 microfarads and a voltage rating of 2.5 volts in surface mount (SMD) package. It has a metric size of 2917 (7343) and can withstand 1000 hours at an operating temperature of 105 degrees Celsius.