Capacitor, CAP ALUM POLY 220UF 20 2.5V SMD, is a type of aluminum-polymer capacitor with specifications including 220 microfarads and a voltage rating of 2.5 volts in surface mount (SMD) format. It measures 2917 (or 7343 metric) in size, has an equivalent resistance of 12 milliohms, and meets the requirements for 1000 hours at an operating temperature of 105 degrees Celsius.