The CAP ALUM POLY 820 UF capacitor has a high capacitance of 820 microfarads (µF) and operates at a voltage rating of 20 volts. It features an aluminum-polymer construction, providing radial lead configuration in a can design with a resistance of 16 milliohms. This capacitor is designed to withstand temperatures up to 105°C for a lifespan of approximately 2000 hours.