The DGH255Q5R5 from Cornell Dubilier is a Supercapacitor with Capacitance 2500 mF, Voltage Rating 5.5 V, Equivalent Series Resistance 140 to 260 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for DGH255Q5R5 can be seen below.