The B25631B1456K400 from TDK Corporation is a Power Capacitor with Capacitance 45 uF, Voltage Rating 1400 V, Peak Current 5100 A, Equivalent Series Resistance (ESR) 1.5 mOhm, Inductance 30 nH. Tags: Stud Mount, Film Capacitor. More details for B25631B1456K400 can be seen below.