The 50PFV33M6.3X8 from Rubycon is a Supercapacitor with Capacitance 0.033 mF, Voltage Rating 50 V, Equivalent Series Resistance 40 mOhm, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for 50PFV33M6.3X8 can be seen below.