The RSHT1220M1REH0002E from Taiyo Yuden is a Supercapacitor with Capacitance 22 µF, Voltage Rating 80 V, Equivalent Series Resistance 45 milli-ohm, Temperature Operating Range -55 to 105 Degree C. Tags: Surface Mount. More details for RSHT1220M1REH0002E can be seen below.