The B43727A5828M658 from TDK Corporation is a Supercapacitor with Capacitance 8200 µF, Voltage Rating 450 V, Equivalent Series Resistance 4.7 to 13 milli-ohm, Temperature Operating Range -25 to 85 Degree C. Tags: Screw Mount. More details for B43727A5828M658 can be seen below.