A high-capacity capacitor, the CAP ALUM POLY 390UF 20 20V T/H, boasts a significant rating of 390 microfarads at 20 volts with an aluminum-polymer construction. It is designed as a radial-type capacitor within a metal can and features a relatively low resistance of 14 milliohms. Additionally, this component demonstrates excellent reliability, with an expected lifespan of up to 5,000 hours when operated at temperatures reaching 105 degrees Celsius.