The XL60-2R9348T-R from Eaton is a Supercapacitor with Capacitance 3400000 mF, Voltage Rating 2.85 V, Equivalent Series Resistance 230 mOhms, Temperature Operating Range -40 to 65 Degree C. Tags: Through Hole. More details for XL60-2R9348T-R can be seen below.