The 30LR337M020DC2A from Barker Microfarads is a Power Capacitor with Capacitance 330 µF, Voltage Rating 20 V, Equivalent Series Resistance (ESR) 0.255 Ohm, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Polymer Capacitor. More details for 30LR337M020DC2A can be seen below.