A heat sink absorbs and dissipates heat generated by computers, microprocessors, and other heavily used devices. It absorbs heat in two ways: direct thermal contact, where it makes direct contact with the surface; and radiant absorption, where it absorbs heat from between the two surfaces. It helps regulate temperature and prevents overheating, which can damage the device.
An aluminum heat sink has low thermal resistance and comes in basic flexible shapes. It is ideal for high-volume thermal problems. It is generally inexpensive and cost-effective.
Copper heat sink
A copper heat sink has a lower thermal resistance than an aluminum heat sink. It is also heavier and more expensive. It is commonly used for cold plates and heat pipes.
Stamped heat sink
A stamped heat sink is made of metal sheets cut and bent to provide appropriate thermal properties. It is sized to fit devices following JEDEC standards, a system of standards for package sizing. It usually costs lower per piece and is easier to repair or upgrade.
Heat absorption: Choose a heat sink that heats up fast to save on running power. Computers with fast processors and high-end expansion cards tend to produce more heat and may need a more powerful heat sink.
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