The HT-2R7-J206VYJ19 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 20000 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 60 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for HT-2R7-J206VYJ19 can be seen below.