The B43733A4129M608 from TDK Corporation is a Supercapacitor with Capacitance 12000 µF, Voltage Rating 350 V, Equivalent Series Resistance 3 to 11 milli-ohm, Temperature Operating Range -25 to 85 Degree C. Tags: Screw Mount. More details for B43733A4129M608 can be seen below.