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In short Mean Time to Failure (MTTF) is the time taken for a part or system to fail for the first time.
A very brief formula for the Mean Time To Failure of an event which occurs with probability P is: 1 / P.
However, a related topic is Mean time between failures
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Mean Time To Failure — MTTF ist die Abkürzung für die mittlere Betriebsdauer bis zum Ausfall (engl. Mean Time To Failure) und wird auch als mittlere Lebensdauer bezeichnet oder MTTFd hier Die mittlere Zeit bis zum gefahrbringenden Ausfall.[1] Vor allem durch die… … Deutsch Wikipedia
mean time to failure — vidutinė trukmė iki gedimo statusas T sritis automatika atitikmenys: angl. mean time to failure; MTTF vok. mittlere Zeit bis zum ersten Ausfall, f; MTTF rus. наработка до отказа, f pranc. temps moyen avant défaillance, m; T.M.A.D … Automatikos terminų žodynas
operation mean time to failure — vidutinė veikimo trukmė iki gedimo statusas T sritis radioelektronika atitikmenys: angl. operation mean time to failure vok. mittlere Funktionsdauer, f; mittlere Zeit bis zum ersten Ausfall, f rus. среднее время действия до первого отказа, n… … Radioelektronikos terminų žodynas
Mean Time To Failure — MTTF; mittlere Lebensdauer; mittlere Betriebsdauer bis zum Ausfall … Universal-Lexikon
Mean time between failures — (MTBF) is the predicted elapsed time between inherent failures of a system during operation.[1] MTBF can be calculated as the arithmetic mean (average) time between failures of a system. The MTBF is typically part of a model that assumes the… … Wikipedia
Mean time to first failure — Mean time (to) first failure (MTFF, sometimes MTTFF) is a concept in reliability engineering. It describes time to failure for non repairable components like an integrated circuit soldered on a circuit board. .[1] For repairable components like a … Wikipedia
Mean Time Between Failures — MTBF ist die Abkürzung für das englische Mean Time Between Failures, zu deutsch die mittlere Betriebsdauer zwischen Ausfällen. Sie gilt für Einheiten, die instand gesetzt werden; Betriebsdauer meint die Betriebszeit zwischen zwei… … Deutsch Wikipedia
Mean time to repair — For other uses, see MTTR (disambiguation). Mean time to repair (MTTR) is a basic measure of the maintainability of repairable items. It represents the average time required to repair a failed component or device.[1] Expressed mathematically, it… … Wikipedia
Mean time to recovery — For other uses, see MTTR (disambiguation). Mean time to recovery (MTTR)[1][2] is the average time that a device will take to recover from any failure. Examples of such devices range from self resetting fuses (where the MTTR would be very short,… … Wikipedia
Failure rate — is the frequency with which an engineered system or component fails, expressed for example in failures per hour. It is often denoted by the Greek letter λ (lambda) and is important in reliability engineering. The failure rate of a system usually… … Wikipedia
