13 Power Elecronics: Thermal Consideration (Worked Examples) - Part 2

The video tutorial covers thermal considerations for power electronic devices, focusing on thermal resistance and its application in analyzing junction temperatures. It includes examples of BJT transistors and MOSFETs, discussing how to calculate thermal resistance and determine heat sink requirements. The tutorial also explores the effects of power cycling and frequency on thermal performance, emphasizing the importance of maintaining safe junction temperatures.

How can the geometry of a transistor affect its thermal resistance?

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What is the required thermal resistivity of the heat sink to maintain the junction temperature below 150 degrees?

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Describe the impact of frequency on the junction temperature in power cycling applications.

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What are the thermal limits for the MOSFET in terms of safe operating area (SOA)?

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