The 40D305G050BB2A from Barker Microfarads is a Power Capacitor with Capacitance 3 µF, Voltage Rating 50 V, Equivalent Series Resistance (ESR) 66 Ohm, Operating Temperature -55 to 105 Degree C. Tags: Through Hole, Polymer Capacitor. More details for 40D305G050BB2A can be seen below.