The B25620B0408K703 from TDK Corporation is a Power Capacitor with Capacitance 4000 uF, Voltage Rating 700 V, Peak Current 13300 A, Equivalent Series Resistance (ESR) 1.1 mOhm, Inductance 100 nH. Tags: Screw Mount, Film Capacitor. More details for B25620B0408K703 can be seen below.