![]() ![]() ![]() Four of those references described how the rule is used while two described why it is incorrect. ![]() Using a common search engine, the search term “electronics reliability 10 degrees” yielded six references out of the first ten that mention that rule of thumb. If one were to ask people in the electronics industry how device temperature and reliability are related, it is likely that the most common response would be something along the lines of “the rule of thumb is that every 10☌ increase in temperature reduces component life by half”. Since the objective of the field of electronics cooling is ultimately to ensure that electronics are reliable, it is worth thinking about the relationship between temperature and reliability. ![]() The difficult answers to the question are in defining exactly what ‘too hot’ and ‘too long’ are. This may seem like a silly question to ask in a magazine entitled “Electronics Cooling”, but why do we really care what temperature of electronics really is, anyway? The simple answer to that question is that it is universally recognized that electronics reliability when devices are too hot for too long of a time. ![]()
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