The CAP ALUM POLY 820UF 20 25V T/H is a type of capacitor that uses aluminum and polymer materials. It has a capacitance of 820 microfarads (µF) and an operating voltage of 25 volts. This component is designed for radial, can-style applications and features a resistance of 20 milliohms (mOhm). It also boasts a high reliability rating, with a lifespan of 5000 hours at an elevated temperature of 105 degrees Celsius.