The B43733A2189M608 from TDK Corporation is a Supercapacitor with Capacitance 18000 µF, Voltage Rating 200 V, Equivalent Series Resistance 3 to 9.5 milli-ohm, Temperature Operating Range -25 to 85 Degree C. Tags: Screw Mount. More details for B43733A2189M608 can be seen below.