The specified capacitor is a CAP ALUM POLY 390UF 20 20V T/H. It has a capacitance of 390 microfarads at 20 volts and features an aluminum-polymer construction with a radial, can design. The ESR (equivalent series resistance) is 14 milliohms, while the expected lifespan is 2000 hours at a temperature of 105 degrees Celsius.