The C4AQUBW5120A3LJ from Kemet Corporation is a Power Capacitor with Capacitance 12 uF, Voltage Rating 1300 V, Peak Current 235 A, Equivalent Series Resistance (ESR) 5.3 mOhm, Inductance 13 nH. Tags: Through Hole, Film Capacitor. More details for C4AQUBW5120A3LJ can be seen below.