Aluminum-polymer capacitors, specifically CAP ALUM POLY 100UF 20 4V SMD, feature a high capacitance of 100 µF and operate at a voltage of 4 V. They are constructed with an aluminum-polymer configuration and come in the metric size 2917 (7343), with a resistance of approximately 13mOhm and an extended lifespan of up to 2000 hours when subjected to temperatures of 105°C.