What is Heat Dissipation?

Heat dissipation is the process of moving unwanted heat away from electronic components during operation — through conduction into a solid material, convection into surrounding air or coolant, and radiation as infrared energy released into the environment. Every powered component generates some heat as electrical energy converts during operation, and dissipation is simply what happens to that heat once it leaves the component.

Poor heat dissipation shows up differently depending on the application. In LED drivers, it can cause color temperature drift or visible brightness drop. In battery modules, uncontrolled heat accelerates aging and shortens cycle life. In power inverters, it can damage control boards and power chips outright. In each case, the underlying issue is the same: heat isn't moving away from the component fast enough to stay within a safe operating range.

Effective dissipation typically combines heat sinks, airflow or liquid cooling, and thermal interface materials — pads, paste, phase change materials, or graphite sheets — bridging the gap between a component and whatever is meant to carry its heat away. For a fuller look at how these mechanisms and materials work together, see What Is Thermal Management? The Basics Explained.

Contact TaxoTape® to discuss thermal interface materials for your application →