The C4AQLLW5120A34K from Kemet Corporation is a Power Capacitor with Capacitance 12 uF, Voltage Rating 500 V, Peak Current 78 A, Equivalent Series Resistance (ESR) 10.7 mOhm, Inductance 7 nH. Tags: Through Hole, Film Capacitor. More details for C4AQLLW5120A34K can be seen below.