The CAP ALUM POLY 27UF 20 16V SMD is a type of capacitor. This component has the following specifications: 27 microfarad capacitance, 16 volt voltage rating, and a small metric size (2917 or 7343). It also features aluminum-polymer construction, low resistance at 55 milliohms, and high endurance with a lifespan of 1000 hours at an elevated temperature of 105 degrees Celsius.