The 63PSV33M8X10.5 from Rubycon is a Supercapacitor with Capacitance 0.033 mF, Voltage Rating 63 V, Equivalent Series Resistance 30 mOhm, Temperature Operating Range -55 to 135 Degree C. Tags: Surface Mount. More details for 63PSV33M8X10.5 can be seen below.