This is not voltage until which the capacitor charges but rather the greatest voltage until which the capacitor can work securely. This voltage is called as working voltage (WV) or DC working voltage (DC-WV).Below figure demonstrates the voltage rating of the capacitor.
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On the off chance that the capacitor is connected with voltage more noteworthy than this voltage, it might be harmed by creating a circular segment between the plates because of dielectric separate.
While planning the circuits with capacitors, care ought to be taken to such an extent that the voltage rating of the capacitor is more noteworthy than the voltage utilized as a part of the circuit. For instance if the circuit working voltage is 12V then it is important to pick a capacitor with voltage rating of 12V or above.
This working voltage of a capacitor relies on upon the variables like dielectric material utilized between the capacitor plates, dielectric thickness and furthermore on the sort of circuit which is utilized
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