Fake vs original Components

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Ampdog

R.I.P. 23 June 2022
Joined
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Yes.

Shonver - you and everybody else

The news regarding fake semiconductors is naturally alarming, especially if one also builds to sell. And 'complete' experience is hard to gain, short of buying a handful of all types of power devices and testing them. Then the very next one may not make it ....

Somewhat off-topic (can one hi-jack one's own thread?). I would really like to know from all who are able to contribute (I do not buy that many semiconductors at a time, but my older supply is running out): The shortcoming of these devices; is it simply unable to withstand rated voltage/current, or anything else? Is there any way of noticing fake stuff - annotations, construction, whatever? I could try getting 'original' markings, but who's to say that has not been imitated?
 
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