What is MTTF D value?The MTTF D value is important in this context. The MTTF D value is the “mean time to dangerous failure”. The difference between MTTF and MTTF D is that the MTTF value merely provides a neutral indication of the average fatigue life of a component. The MTTF D value, on the other hand, indicates the operating time until a dangerous fault occurs.
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