The M1030-2R5605-R from Eaton is a Supercapacitor with Capacitance 6000 mF, Voltage Rating 2.5 to 3.0 V, Equivalent Series Resistance 25 to 35 mOhms, Temperature Operating Range -40 to 60 Degree C. Tags: Through Hole. More details for M1030-2R5605-R can be seen below.