The TPLH-3R0/4.0WR8X20 from Tecate Group is a Supercapacitor with Capacitance 4 F, Voltage Rating 2.7 to 3 V, Equivalent Series Resistance 220 milli-ohm, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for TPLH-3R0/4.0WR8X20 can be seen below.