The HS/HSL1225-3R8127-R from Eaton is a Supercapacitor with Capacitance 120000 mF, Voltage Rating 2.2 to 3.8 V, Equivalent Series Resistance 200 mOhms, Temperature Operating Range -15 to 70 Degree C. Tags: Through Hole. More details for HS/HSL1225-3R8127-R can be seen below.