The 226DER2R5SKV from Cornell Dubilier is a Supercapacitor with Capacitance 22000 mF, Voltage Rating 2.5 V, Equivalent Series Resistance 60 to 100 mOhms, Temperature Operating Range -25 to 70 Degree C. Tags: Through Hole. More details for 226DER2R5SKV can be seen below.