The HE5C543K025DZSS from Vishay is a Supercapacitor with Capacitance 54 mF, Voltage Rating 25 V, Equivalent Series Resistance 35 mOhms, Temperature Operating Range -55 to 125 Degree C. Tags: Through Hole, Radial Leaded. More details for HE5C543K025DZSS can be seen below.