The T520D337M006ATE040 from KEMET Corporation is a Power Capacitor with Capacitance 330 uF, Voltage Rating 6.3 V, Equivalent Series Resistance (ESR) 40 mOhm, Mass 434.83 milligram, Operating Temperature -55 to 105 Degree C. Tags: Surface Mount, Polymer Capacitor. More details for T520D337M006ATE040 can be seen below.