The B25631B1406K500 from TDK Corporation is a Power Capacitor with Capacitance 40 uF, Voltage Rating 1500 V, Peak Current 4800 A, Equivalent Series Resistance (ESR) 1.6 mOhm, Inductance 30 nH. Tags: Stud Mount, Film Capacitor. More details for B25631B1406K500 can be seen below.