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SM30TY vs. STIEC45

Question asked by Eugen Lorenz on Sep 12, 2017
Hello, I would like to use in my design the Transil TVS STIEC45-28ACS and SM30T33CAY as the similar parts. One will be the second source for another. My question is: whether I can use one instead other and what are the difference's between them. Both will be used for transient protection accordingly IEC 61000-4-5 for 8/20 pulse with the peak current 500 ADC.
Thank you.