The 357DER2R5SEZ from Cornell Dubilier is a Supercapacitor with Capacitance 350000 mF, Voltage Rating 2.5 V, Equivalent Series Resistance 12 to 15 mOhms, Temperature Operating Range -25 to 70 Degree C. Tags: Through Hole. More details for 357DER2R5SEZ can be seen below.