The B43733B9828M650 from TDK Corporation is a Supercapacitor with Capacitance 8200 µF, Voltage Rating 400 V, Equivalent Series Resistance 4.4 to 15 milli-ohm, Temperature Operating Range -25 to 85 Degree C. Tags: Screw Mount. More details for B43733B9828M650 can be seen below.