The HE5B222K125AZSS from Vishay is a Supercapacitor with Capacitance 2.2 mF, Voltage Rating 125 V, Equivalent Series Resistance 85 mOhms, Temperature Operating Range -55 to 125 Degree C. Tags: Through Hole, Radial Leaded. More details for HE5B222K125AZSS can be seen below.