40-W power transistor is to be cooled by attaching it to one of the commercially available heat sinks shown in Table 3–6 (See Example 2 in lecture material: HEAT TRANSFER FROM FINNED SURFACES – 3). Select heat sink(s) that will allow the case temperature of the transistor not to exceed
40-W power transistor is to be cooled by attaching it to one of the commercially available heat sinks shown in Table 3–6 (See Example 2 in lecture material: HEAT TRANSFER FROM FINNED SURFACES – 3). Select heat sink(s) that will allow the case temperature of the transistor not to exceed
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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A 40-W power transistor is to be cooled by attaching it to one of the commercially available heat sinks shown in Table 3–6 (See Example 2 in lecture material: HEAT TRANSFER FROM FINNED SURFACES – 3). Select heat sink(s) that will allow the case temperature of the transistor not to exceed 90 °C in the ambient air at 20 °C.
Transcribed Image Text:T = 20°C
air
90°C
40 W
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