The HE-2R7-J335TYJ04 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 3300 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 500 mOhms, Temperature Operating Range -25 to 70 Degree C. Tags: Through Hole. More details for HE-2R7-J335TYJ04 can be seen below.