Q4 A transistor with a height of 04 cm and a diameter of 0.6 cm is maunted in a circuit board. The transistor is cooled by air flowing over it with an average heat transfer coefficient of 30 W/m2 The air temperature is 55'C and the transistor case temperature is not to exceed 70C. Determine the name of power this transistor cun dispute sally. Disregard any heat transfer fer the transistor base.Your solution mist state government questions and associated assumptions, illustration and step by step execution of the overall solution. Q 4. A transistor with a height of 0.4 cm and a diameter of 0.6 cm is mounted on a circuit board. Thetransistor is cooled by air flowing over it with an average heat transfer coefficient of 30 W/m2.°C. The airtemperature is 55°C and the transistor case temperature is not to exceed 70°C.Determine the amount of power this transistor can dissipate safely. Disregard any heat transfer from thetransistor base.Your solution must state governing equations and associated assumptions, illustration and step by stepexecution of the overall solution.

Given data L=0.4 cmD=0.6 cmh=30 W/m2KTs=70°cTair=55°c

Answered: Q 4. A transistor with a height of 0.4…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Q4 A transistor with a height of 04 cm and a diameter of 0.6 cm is maunted in a circuit board. The transistor is cooled by air flowing over it with an average heat transfer coefficient of 30 W/m² The air temperature is 55'C and the transistor case temperature is not to exceed 70C. Determine the name of power this transistor cun dispute sally. Disregard any heat transfer fer the transistor base.

Your solution mist state government questions and associated assumptions, illustration and step by step execution of the overall solution.

Q 4. A transistor with a height of 0.4 cm and a diameter of 0.6 cm is mounted on a circuit board. The
transistor is cooled by air flowing over it with an average heat transfer coefficient of 30 W/m2.°C. The air
temperature is 55°C and the transistor case temperature is not to exceed 70°C.
Determine the amount of power this transistor can dissipate safely. Disregard any heat transfer from the
transistor base.
Your solution must state governing equations and associated assumptions, illustration and step by step
execution of the overall solution.

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