The CAP ALUM POLY 470UF 20 2.5V T/H is a type of capacitor. It has a capacitance value of 470 microfarads and an operating voltage of 2.5 volts. This component uses aluminum and polymer materials for its construction, making it suitable for various applications. The radial lead configuration allows for easy installation in PCBs (Printed Circuit Boards), while the can design provides additional protection against environmental factors. It also features a relatively low resistance of 7 milliohms and is capable of withstanding temperatures up to 105 degrees Celsius for extended periods, specifically up to 2000 hours.