temperature derating

A specification showing how a rating stated at a particular temperature is reduced at higher temperatures.

NOTE 1    Derating is usually expressed graphically or in terms of derating factors (e.g., mA/°C or mW/°C).

NOTE 2    For ABDs, derating applies to ratings for peak pulse current (IPPSM), peak pulse power (PPPSM), and average power dissipation (PM(AV)).

NOTE 3    Average power ratings are derated to zero at the maximum-rated junction temperature. Peak pulse power ratings may exceed zero at the maximum-rated junction temperature.

References: 

JESD77C, 10/09
JESD210, 12/07 

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