The RAHT1680M1UEH0002E from Taiyo Yuden is a Supercapacitor with Capacitance 68 µF, Voltage Rating 50 V, Equivalent Series Resistance 30 milli-ohm, Temperature Operating Range -55 to 105 Degree C. Tags: Surface Mount. More details for RAHT1680M1UEH0002E can be seen below.