The CAP ALUM POLY 220UF 20 2.5V SMD capacitor is a type of radial, can-style capacitor with a polymer electrolyte and aluminum electrodes. It has a capacitance value of 220 microfarads and an operating voltage rating of 2.5 volts. The device is surface-mountable (SMD) and features a low resistance of 20 milliohms. Its lifespan at 105°C is approximately 2000 hours.