The B43733E2338M650 from TDK Corporation is a Supercapacitor with Capacitance 3300 µF, Voltage Rating 250 V, Equivalent Series Resistance 15 to 50 milli-ohm, Temperature Operating Range -25 to 85 Degree C. Tags: Screw Mount. More details for B43733E2338M650 can be seen below.