The B43733A4158M650 from TDK Corporation is a Supercapacitor with Capacitance 1500 µF, Voltage Rating 350 V, Equivalent Series Resistance 22 to 80 milli-ohm, Temperature Operating Range -25 to 85 Degree C. Tags: Screw Mount. More details for B43733A4158M650 can be seen below.