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Can you explain further about the data sheet as shown below?

Latest Updated:02/01/2007

Question:

The data sheet describes derating factor dT (%) for the case temperature as shown in the figure below.
Does this derating factor also apply to the drain current (direct current), or any other parameters?

Answer:

The derating factor does not apply to the drain current, but as the temperature rises, the internal resistance becomes higher, and as a result, the drain current is affected by the derating factor in the form of power dissipation.
The drain-source voltage is not affected by the derating factor, but usage within 80% of the rating is still advised.
Suitable Products
Power MOSFETs