The CAP ALUM POLY 1200UF 20 4V T/H capacitor is a radial, can-type device that utilizes an aluminum-polymer construction. It has a capacitance value of 1200 microfarads and operates at a voltage rating of four volts. This component features a high temperature stability, with a specified lifespan of 2000 hours when subjected to temperatures up to 105 degrees Celsius. Its resistance is approximately five milliohms.