The RAHV1121M4EGL5005E from Taiyo Yuden is a Supercapacitor with Capacitance 120 µF, Voltage Rating 63 V, Equivalent Series Resistance 22 milli-ohm, Temperature Operating Range -55 to 105 Degree C. Tags: Surface Mount. More details for RAHV1121M4EGL5005E can be seen below.