The B25620B1118K503 from TDK Corporation is a Power Capacitor with Capacitance 1100 uF, Voltage Rating 1500 V, Peak Current 11100 A, Equivalent Series Resistance (ESR) 1.5 mOhm, Inductance 100 nH. Tags: Stud Mount, Film Capacitor. More details for B25620B1118K503 can be seen below.