The DGH504Q5R5 from Cornell Dubilier is a Supercapacitor with Capacitance 500 mF, Voltage Rating 5.5 V, Equivalent Series Resistance 400 to 800 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for DGH504Q5R5 can be seen below.