The T520D687M2R5ATE010 from KEMET Corporation is a Power Capacitor with Capacitance 680 uF, Voltage Rating 2.5 V, Equivalent Series Resistance (ESR) 10 mOhm, Mass 434.83 milligram, Operating Temperature -55 to 105 Degree C. Tags: Surface Mount, Polymer Capacitor. More details for T520D687M2R5ATE010 can be seen below.