The CAP ALUM POLY 1000UF 20 16V T/H capacitor is a type of aluminum-polymer electrolytic capacitor. It has a capacitance value of 1000 microfarads, operates at a voltage rating of 16 volts, and features a radial design with a can-style package. The component also includes specifications for its equivalent series resistance (ESR) and lifespan, with an ESR of 10 milliohms and a guaranteed lifetime of 2000 hours when operated at a temperature of 105 degrees Celsius.