The DGH155Q5R5 is a low ESR supercapacitor designed for high pulse power delivery. It offers a capacitance of 1.5 F and a working voltage of 5.5 VDC, which derates to 4.6 VDC at the maximum operating temperature of +85°C. Key features include a low DC ESR of 300 mΩ, a high life cycle rating of 500,000 cycles, and the ability to provide a maximum short circuit current of 18 A. The component operates across a temperature range of -40°C to +85°C. Its fast charge and discharge characteristics make it suitable for applications such as battery backup, pulse power, energy harvesting, and audio systems.