Technical FAQs 4

How long does a super capacitor last?

The life of supercapacitors will double for every 10°C decrease in temperature or voltage by 0.1V. Supercapacitors operated at room temperature can have life expectancies of several years compared to operating the capacitors at their maximum rated temperature. L1= Load life rating of the super capacitor (typically 1000 hours at rated temperature).

What is the life expectancy of a supercapacitor?

The life expectancy of supercapacitors is similar to aluminum electrolytic capacitors. The life of supercapacitors will double for every 10°C decrease in temperature or voltage by 0.1V. Supercapacitors operated at room temperature can have life expectancies of several years compared to operating the capacitors at their maximum rated temperature.

Can a supercapacitor shorten its life?

In other words, any voltage above the rated voltage for the capacitor will shorten its lifetime. In fact, it is better design practice to back of the system voltage, feeding the supercapacitor to a slightly lower value. Temperature is another variable that can be detrimental to energy storage components.

What factors affect the life of a supercapacitor?

Regardless, these variables must be considered under worst-case scenarios. The most common of these variables include Voltage and Temperature. When introduced to overvoltage, supercapacitors can be damaged and certainly shortened in life. In other words, any voltage above the rated voltage for the capacitor will shorten its lifetime.

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