The RAHV1271M1EEH0002 from Taiyo Yuden is a Supercapacitor with Capacitance 270 µF, Voltage Rating 16 V, Equivalent Series Resistance 22 milli-ohm, Temperature Operating Range -55 to 105 Degree C. Tags: Surface Mount. More details for RAHV1271M1EEH0002 can be seen below.