The B43726B6278M650 from TDK Corporation is a Supercapacitor with Capacitance 2700 µF, Voltage Rating 500 V, Equivalent Series Resistance 7.4 to 24 milli-ohm, Temperature Operating Range -40 to 85 Degree C. Tags: Screw Mount. More details for B43726B6278M650 can be seen below.