The 678D398M016ER4D from Barker Microfarads is a Power Capacitor with Capacitance 3900 µF, Voltage Rating 16 V, Equivalent Series Resistance (ESR) 0.032 to 0.074 Ohm, Operating Temperature -55 to 105 Degree C. Tags: Through Hole, Polymer Capacitor. More details for 678D398M016ER4D can be seen below.