The B43713A2129M650 from TDK Corporation is a Supercapacitor with Capacitance 12000 µF, Voltage Rating 200 V, Equivalent Series Resistance 4.1 to 14 milli-ohm, Temperature Operating Range -25 to 85 Degree C. Tags: Screw Mount. More details for B43713A2129M650 can be seen below.