The HE5C123K063CZSS from Vishay is a Supercapacitor with Capacitance 12 mF, Voltage Rating 63 V, Equivalent Series Resistance 35 mOhms, Temperature Operating Range -55 to 125 Degree C. Tags: Through Hole, Radial Leaded. More details for HE5C123K063CZSS can be seen below.