The HP-2R7-J407UYJ33 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 400000 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 20 mOhms, Temperature Operating Range -40 to 70 Degree C. Tags: Through Hole. More details for HP-2R7-J407UYJ33 can be seen below.