The 30HC186M200DD2A from Barker Microfarads is a Power Capacitor with Capacitance 18 µF, Voltage Rating 200 V, Equivalent Series Resistance (ESR) 8.7 Ohm, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Polymer Capacitor. More details for 30HC186M200DD2A can be seen below.