The SCMR18C105PRBA0 from Kyocera AVX is a Supercapacitor with Capacitance 1000 mF, Voltage Rating 4.2 to 5.0 V, Equivalent Series Resistance 200 to 720 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for SCMR18C105PRBA0 can be seen below.