The 30LR277M050EF2A from Barker Microfarads is a Power Capacitor with Capacitance 270 µF, Voltage Rating 50 V, Equivalent Series Resistance (ESR) 0.2 Ohm, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Polymer Capacitor. More details for 30LR277M050EF2A can be seen below.