The B25620B0557K881 from TDK Corporation is a Power Capacitor with Capacitance 550 uF, Voltage Rating 900 V, Peak Current 2800 A, Equivalent Series Resistance (ESR) 2.3 mOhm, Inductance 40 nH. Tags: Screw Mount, Film Capacitor. More details for B25620B0557K881 can be seen below.