The SP-5R5-Z504TYL16 from Jinzhou Kaimei Power is a Supercapacitor with Capacitance 500 mF, Voltage Rating 5.5 V, Equivalent Series Resistance 2400 mOhms, Temperature Operating Range -40 to 70 Degree C. Tags: Through Hole. More details for SP-5R5-Z504TYL16 can be seen below.