The CAP ALUM POLY 150UF 20 35V SMD is a type of aluminum-polymer capacitor. It has a radial, can-shaped design and is suitable for surface mount devices (SMD). The capacitor has a capacitance value of 150 microfarads (µF) and operates at a maximum voltage of 35 volts. It features a relatively low resistance of 27 milliohms and has a lifespan of 2000 hours when subjected to temperatures up to 145 degrees Celsius.