Ripple current is the flow of alternating current in the capacitor
Call it a current because ac voltage superposition in capacitor on the dc bias of is similar with the ripple on the above the water.
Ripple current can make the condenser heat, the determination of ripple current rating method is under the rated operating temperature regulation a permissible temperature rise, under the condition of the condenser is still as to meet the requirements of the service life of the gauge.
Usually 85 ℃ capacitor allows a maximum temperature of 10 ℃, namely core package center maximum temperature of 95 ℃;
General 105 ℃ products, allowing a maximum temperature of 5 ℃, core package center the temperature to 110 ℃.
The actual core covering maximum allowable temperature by different capacitance types and manufacturers is different.
But too high temperature will make capacitor exceeds its core package to allow for maximum temperature and fast failure, and near the highest core packages allow temperature under the conditions of work will be clearly contraction phase of life.
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