> Of course, that also means based on freshly shipped units. Past the
> first 1000 hours of operation, the rate of failure will go up.
>
No necessarily correct, depends on the time distribution of failures, that
200,000hr MTBF could be caused by a small number of units which fail in the
first few hundred hours. That's why MTBF is not necessarily a good measure
of reliability.
...Wayne
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