The CHQ-2R7205R-TW from Taiwan Zhifengwei Technology is a Supercapacitor with Capacitance 2 F, Voltage Rating 2.7 V, Equivalent Series Resistance 280 milli-ohm, Temperature Operating Range -40 to 65 Degree C. Tags: Through Hole. More details for CHQ-2R7205R-TW can be seen below.