The SE-5R5-Z405VYL09 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 4000 mF, Voltage Rating 5.5 V, Equivalent Series Resistance 400 mOhms, Temperature Operating Range -25 to 70 Degree C. Tags: Through Hole. More details for SE-5R5-Z405VYL09 can be seen below.