Aluminum-polymer capacitors, specifically the CAP ALUM POLY 15UF 20 8V SMD type, feature a capacitance of 15 microfarads at an operating voltage of 8 volts. These components adhere to the metric 2917 (7343) size designation and have undergone rigorous testing for reliability, demonstrating a lifespan of 1000 hours under conditions of 105 degrees Celsius.