The FB37FP6B0406JC from Kyocera AVX is a Power Capacitor with Capacitance 40.0 uF, Voltage Rating 800 V, Peak Current 1400 A, Equivalent Series Resistance (ESR) 3.0 mOhm, Inductance 30 nH. Tags: Through Hole, Film Capacitor. More details for FB37FP6B0406JC can be seen below.