How to Select a Heat Sink

Overview

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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