High-capacity aluminum-polymer capacitors, specifically the CAP ALUM POLY 500UF 20 7.5V T/H model, offer radial and can designs with a low resistance of 10 milliohms and an impressive lifespan of 2000 hours at 105 degrees Celsius. These capacitors have a capacity of 500 microfarads and operate at a voltage of 7.5 volts.