Failure analysis of metallized film pulse capacitors based on accelerated degradation data

The high energy density self-healing metallized film pulse capacitor has been applied to all kinds of laser facilities for their power conditioning systems, whose reliability and expense are straightforwardly affected by the reliability level of capacitors. Reliability analysis of highly reliable devices, such as metallized film capacitors, is a challenge due to cost and time restriction. Accelerated degradation testing provides a way to predict its life cost and time effectively. A model and analysis based on accelerated degradation data of metallized film capacitors are described. Also described is a method for estimating the distribution of time to failure. The estimation values of the unknown parameters in this model are 9.066 9×10-8 and 0.022 1, respectively. Both the failure probabi