The CAP ALUM POLY 68UF 20 35V SMD is a type of capacitor. It has an aluminum-polymer construction and is rated for 68 microfarads at 35 volts. This capacitor is in surface mount device (SMD) format, making it suitable for compact electronic designs. Additionally, it boasts a low resistance of 44 milliohms and can withstand high temperatures up to 125 degrees Celsius for an impressive 4000 hours.