The BCAP0003 P270 X01 from Maxwell Technologies is a Supercapacitor with Capacitance 3000 mF, Voltage Rating 2.7 V, Equivalent Series Resistance 55 mOhms, Temperature Operating Range -40 to 65 Degree C. Tags: Through Hole. More details for BCAP0003 P270 X01 can be seen below.