The SCMR18D105PRBB0 from Kyocera AVX is a Supercapacitor with Capacitance 1000 mF, Voltage Rating 4.6 to 5.4 V, Equivalent Series Resistance 200 to 720 mOhms, Temperature Operating Range -40 to 85 Degree C. Tags: Through Hole. More details for SCMR18D105PRBB0 can be seen below.