The B43727A9109M658 from TDK Corporation is a Supercapacitor with Capacitance 10000 µF, Voltage Rating 400 V, Equivalent Series Resistance 4.3 to 12 milli-ohm, Temperature Operating Range -25 to 85 Degree C. Tags: Screw Mount. More details for B43727A9109M658 can be seen below.