The CHQ-2R7407R-SS from Taiwan Zhifengwei Technology is a Supercapacitor with Capacitance 400 F, Voltage Rating 2.7 V, Equivalent Series Resistance 2.5 milli-ohm, Temperature Operating Range -40 to 65 Degree C. Tags: Through Hole. More details for CHQ-2R7407R-SS can be seen below.