Supercapacitor Leakage Current and Self Discharge Characteristics

Supercapacitor is widely used for RTC backup application to provide power to RTC circuit in electronics when the power source to the system is disconnected. Self-discharge characteristics is one of the important  characteristics to determine the backup time. Self-discharge current is often confused with leakage current characteristic. In this whitepaper, difference between leakage current and self-discharge characteristic is explained including the importance of self-discharge characteristic in backup application.

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