The part number is CAP ALUM POLY 330UF 20 2V SMD, which corresponds to a type of capacitor. It has a capacitance value of 330 microfarads and operates at a voltage of 2 volts. The capacitors are made from aluminum and polymer materials and have a small size in the 2917 (also known as 7343 Metric) package dimensions. They also feature low resistance of 9 milliohms and can withstand high temperatures up to 125 degrees Celsius, with a lifespan of approximately 5500 hours.