The case of a power transistor, which is of length L 10 mm and diameter D 12 mm, is cooled by an air stream of temperature T , 25C Under conditions for which the air maintains an average convection coefficient of h 100 W m 2 K on the surface of the case what is the maximum allowable power dissipati...

KNOWN Length diameter and maximum allowable surface temperature of a power transistor Temperature an ...

The case of a power transistor, which is of length L = 10 mm and diameter D

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The case of a power transistor, which is of length L = 10 mm and diameter D = 12 mm, is cooled by an air stream of temperature T_∞, = 25°C.

-Transistor (7,, Pelece) D- Air

Under conditions for which the air maintains an average convection coefficient of h = 100 W/m². K on the surface of the case what is the maximum allowable power dissipation if the surface temperature is not to exceed 85°C?

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Fundamentals of Heat and Mass Transfer

ISBN: 978-0471457282

6th Edition

Authors: Incropera, Dewitt, Bergman, Lavine

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Question Posted: Sep 22, 2010 11:42 PM

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The case of a power transistor, which is of length L = 10 mm and diameter D

Question:

-Transistor (7,, Pelece) D- Air

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KNOWN Length diameter and maximum allowable surface temperature of a power transistor Temperature an...View the full answer

Fundamentals of Heat and Mass Transfer

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