The HT-2R7-J306VYJ22 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 30000 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 50 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for HT-2R7-J306VYJ22 can be seen below.