The 53D271F350KS6 from Barker Microfarads is a Power Capacitor with Capacitance 270 µF, Voltage Rating 350 V, Equivalent Series Resistance (ESR) 0.288 to 0.534 Ohm, Operating Temperature -40 to 85 Degree C. Tags: Polymer Capacitor. More details for 53D271F350KS6 can be seen below.