The FB27E17Q0405JC from Kyocera AVX is a Power Capacitor with Capacitance 4.0 uF, Voltage Rating 600 V, Peak Current 240 A, Equivalent Series Resistance (ESR) 26.0 mOhm, Inductance 25 nH. Tags: Through Hole, Film Capacitor. More details for FB27E17Q0405JC can be seen below.