The B25631B1806K100 from TDK Corporation is a Power Capacitor with Capacitance 80 uF, Voltage Rating 1100 V, Peak Current 6900 A, Equivalent Series Resistance (ESR) 1.1 mOhm, Inductance 30 nH. Tags: Stud Mount, Film Capacitor. More details for B25631B1806K100 can be seen below.