The CAP ALUM POLY 47UF 20 8V SMD is a type of capacitor with specific electrical characteristics. It has a capacitance value of 47 microfarads, an operating voltage rating of 8 volts, and is constructed using aluminum-polymer materials in surface-mount technology (SMD) format. Its physical dimensions are in line with the 2917 or metric 7343 package size standard, and it features low resistance at 25 milliohms. Additionally, this capacitor can withstand high temperatures, specifically up to 105 degrees Celsius for a duration of 1000 hours.