The C4AQLBU5125A1YK from KEMET Corporation is a Power Capacitor with Capacitance 12.5 uF, Voltage Rating 500 V, Peak Current 122 A, Equivalent Series Resistance (ESR) 6.7 mOhm, Inductance 24 nH. Tags: Through Hole, Film Capacitor. More details for C4AQLBU5125A1YK can be seen below.