The B25620B1287K103 from TDK Corporation is a Power Capacitor with Capacitance 280 uF, Voltage Rating 1100 V, Peak Current 5100 A, Equivalent Series Resistance (ESR) 1.2 mOhm, Inductance 40 nH. Tags: Stud Mount, Film Capacitor. More details for B25620B1287K103 can be seen below.