The HT-5R5-Z126VYL21 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 12000 mF, Voltage Rating 5.5 V, Equivalent Series Resistance 120 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for HT-5R5-Z126VYL21 can be seen below.