The HT-2R7-J406VYJ25 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 40000 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 40 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for HT-2R7-J406VYJ25 can be seen below.