The TPLC-3R8/40MR10X20 from Tecate Group is a Supercapacitor with Capacitance 40000 mF, Voltage Rating 2.2 to 3.8 V, Equivalent Series Resistance 450 mOhm, Temperature Operating Range -15 to 85 ºC. Tags: Through Hole. More details for TPLC-3R8/40MR10X20 can be seen below.