The B43726B5688M608 from TDK Corporation is a Supercapacitor with Capacitance 6800 µF, Voltage Rating 450 V, Equivalent Series Resistance 3.9 to 13 milli-ohm, Temperature Operating Range -40 to 85 Degree C. Tags: Screw Mount. More details for B43726B5688M608 can be seen below.