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How many EEs know this basic thing?

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terrance:
didn't I mention 'Reaching "MULTIPLE" maximum ratings' ?

terrance:
My job was wiping these asses for a long while... And they always say "this should be fine, within specs".  |O

terrance:
Sorry I did not mean "absolute maximum ratings", I should say "normal operating range"

terrance:
Thanks! I didn't mean "absolute maximum ratings". Just too many colleagues and some EEs just keep ignoring limitations they don't "care".

CatalinaWOW:

--- Quote from: terrance on May 09, 2024, 09:43:44 pm ---didn't I mention 'Reaching "MULTIPLE" maximum ratings' ?

--- End quote ---

Did you not see multiple answers responding to how to deal with "SAFE OPERATING AREA".  While many devices do not explicitly define a safe operating area, any EE worth his salt knows that operating under conditions different than those shown as characterized is terra incognita, and requires knowledge of the details of how devices work, what things can limit their operation, and operating environments ranging from heat, to light to EM fields and more that influence both operation and life. 

Is your question just a way of finding out how many others have learned the hard way?  I am sure that in some sense or other many of us have.  One of the ways to distinguish good engineers from bad is how often they repeat mistakes, and for those who don't repeat them, how broadly they apply the lessons learned.  Unfortunately there are the other kind.  I once saw documentation where an engineer repeated the same mistake 29 times, destroying that many copies of what was at that time a rare and expensive part.  Never stopped himself, someone else saw what he was doing and put an end to it.  Multiple lessons learned in that situation by folks around this guy, things about how to find and detect such stupidity earlier, and how to control the scope of its impact.

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