Why the Raspberry Pi 3 b or other LED,Computer products need a heat sink?

Under normal circumstances, Raspberry Pi 3 b does not need a heat sink, but in order to ensure better heat dissipation conditions, it is good to have 1-2 more raspberry pi heatsinks.

For LED lamps, only 30% is converted into light energy, and about 70% is converted into heat energy. If the heat energy is too much and the temperature is too high, the life of the lamp will be easily shortened and damaged. At this time, a radiator with good thermal conductivity and fast heat dissipation is needed, so as to facilitate the overall heat dissipation of the lamp.

At the same time, the computer needs a radiator and the principle of LED lamps is not much different. It is very beneficial to add a necessary radiator. At the same time, choosing those radiating fins with moderate thickness, thinner and more can greatly increase the contact area with the air, making it more conducive to air convection heat dissipation and prolonging the service life of the computer.

In general,. The main purpose of the radiator is to keep the device temperature below the maximum allowable temperature specified by the device manufacturer. For those products with high thermal energy, adding a radiator is the best choice. At the same time, if the radiator is made of pure aluminum, it can also be anodized with beautiful colors. Make the appearance of the product more ornamental, and keep the appearance color consistent with the product.

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