The ADCR-E02R7SA504MB from Abracon is a Supercapacitor with Capacitance 0.5 F, Voltage Rating 2.7 V, Equivalent Series Resistance 280 milli-ohm, Temperature Operating Range -40 to 70 Degree C. Tags: Through Hole. More details for ADCR-E02R7SA504MB can be seen below.