The CAP ALUM POLY 820UF 20 6.3V T/H is a type of capacitor featuring an aluminum-polymer construction. It has a capacitance of 820 microfarads (µF) and operates at a voltage of 6.3 volts. The capacitor's design includes radial connections within a can, with resistance measured at 5 milliohms (mOhm). This component is intended for use in applications requiring long-term stability, such as those subjected to temperatures up to 105 degrees Celsius (°C) over a period of 2000 hours.