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Q.Please explain what the FIT rate is as the failure rate.

Power Supplies >  Switching Power Supply >  AC-DC Power Supplies/ DC-DC Converters

A. FIT (Failure In Time) is a unit that represents failure rates and how many failures occur every 109 hours.
For example, there is the occurrence of 10 failures for every 109 hours in the case of 10FIT.
FIT values can be calculated with the formulas below with the MTBF or MTTF shown in the reliability data.

formulas
(Formulas)

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