The 30LR398M016GK2A from Barker Microfarads is a Power Capacitor with Capacitance 3900 µF, Voltage Rating 16 V, Equivalent Series Resistance (ESR) 0.058 Ohm, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Polymer Capacitor. More details for 30LR398M016GK2A can be seen below.