How to Select a Heat Sink Video from

How to Select a Heat Sink Video from


Heat sinks play an important role in circuit design, providing an efficient path for heat to be transferred into the ambient air and away from electronic devices. Without them, many electronics such as BJTs, MOSFETs, linear regulators, BGA packages, and so on are more likely to overheat, causing damage or complete component failure. To further understand a heat sink’s importance, this video walks through a simple thermal calculation example that can be used to determine if a heat sink is needed, and if so, how to properly specify a heat sink based on your system requirements.

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Mike is the founder and editor of, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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