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Discussion :: Analog Electronics

  1. A transistor has a power rating of 8 W for a case temperature of 25°C. If derating factor is 30 mW/°C, the power rating for 55°C, case temperature is

    2. A.
    8 W
    B.
    7.5 W
    C.
    7.1 W
    D.
    6.8 W

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    Workspace

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    Answer : Option C

    Explanation :

    Power rating = 8 - (55 - 25)(30 x 10-3) = 7.1 W.

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