The DGH205Q2R7 from Cornell Dubilier is a Supercapacitor with Capacitance 2000 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 130 to 250 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for DGH205Q2R7 can be seen below.