The part number is CAP ALUM POLY 68UF 20 8V SMD, which refers to a specific type of capacitor. This component is a 68 microfarad, 8 volt aluminum-polymer capacitor in surface mount design (SMD). The package size is 2917, also known as 7343 metric. It has an ESR of 15 milliohms and is rated for 1000 hours at 105 degrees Celsius.