Consistency Analysis of Diode Characteristic Parameters
Electronic components are affected by raw materials and production process and other factors,and there are differences in parameters between different individuals.The parameter distribution is closely related to the reliability level of electronic components,and the consistency of the key parameter distribution can be used as one of the bases for selecting components and provide data reference for subsequent applications and reliability risk assessment.A parametric consistency analysis method is introduced,which first ensures that the sample obeys normal distribution through normality test and distribution transformation,and then completes the consistency analysis based on normal distribution and 3σ principle.The consistency analysis of key parameters of rectifier diodes and Zener diodes are car-ried out,and the risk of parameter drift of these two types of diodes is assessed based on the results of the analysis.