The B43733B5478M608 from TDK Corporation is a Supercapacitor with Capacitance 4700 µF, Voltage Rating 450 V, Equivalent Series Resistance 6.2 to 26 milli-ohm, Temperature Operating Range -25 to 85 Degree C. Tags: Screw Mount. More details for B43733B5478M608 can be seen below.