Capacitor, CAP ALUM POLY 390UF 20 2V SMD, is a type of aluminum-polymer capacitor. It has a capacitance value of 390 microfarads (µF) and an operating voltage of 2 volts. The component is designed in the surface mount device (SMD) package style and measures 2917 (in metric 7343) with a resistance of 5 milliohms. The specified lifespan of this capacitor at an elevated temperature of 105°C is 1000 hours.