Power converters are used in a wide variety of applications, and some applications requires very high reliability such as commercial and military aircraft, space applications, etc. [10]. Moreover, the relevant cost of failure of a converter can be higher than 80% of the system cost in some highly integrated products, which are intended to be maintenance free [11]. Therefore, a safe estimation of reliability of these converters would be crucial in those cases. However, standards for estimating the failure rates of power converters are still evolving and often referred to the military handbook MIL-HDBK-217F [2], [10], [12]–[16]. Reliability-centered design of power converters require prior knowledge of failure mode, mechanism, and effect analysis (FMMEA) of different components, and a guideline for reliability-centered design has been provided in [10] and [17]–[20]