The FE37FN6J0506JB from Kyocera AVX is a Power Capacitor with Capacitance 50.0 uF, Voltage Rating 550 V, Peak Current 1750 A, Equivalent Series Resistance (ESR) 5.0 mOhm, Inductance 30 nH. Tags: Through Hole, Film Capacitor. More details for FE37FN6J0506JB can be seen below.