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What is the dependence of emitter lifetime on temperature and duty cycle?

April 26, 2017CYCLE dependence duty emitter lifetime temperature

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What is the dependence of emitter lifetime on temperature and duty cycle?

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Higher operating temperatures and longer duty cycles translate to shorter device lifetimes. Lifetime may be estimated from the graph below. For other-than-nominal duty cycles, you may estimate the lifetime by multiplying the nominal lifetime by the factor 50%/duty cyle.