The B25620B1407K321 from TDK Corporation is a Power Capacitor with Capacitance 400 uF, Voltage Rating 1320 V, Peak Current 4100 A, Equivalent Series Resistance (ESR) 2.2 mOhm, Inductance 90 nH. Tags: Stud Mount, Film Capacitor. More details for B25620B1407K321 can be seen below.