The 506DCR2R3SKV from Cornell Dubilier is a Supercapacitor with Capacitance 50000 mF, Voltage Rating 2.3 V, Equivalent Series Resistance 60 to 100 mOhms, Temperature Operating Range -25 to 70 Degree C. Tags: Through Hole. More details for 506DCR2R3SKV can be seen below.