The CAP ALUM POLY 150UF 20 10V SMD capacitor is a type of electrolytic capacitor. It has an aluminum and polymer construction and offers high capacitance with a value of 150 microfarads (µF). The operating voltage for this component is 10 volts, and it features a radial, can design suitable for surface mount devices (SMD). Additionally, the capacitor's internal resistance is rated at 30 milliohms.