Why is it named as a sunflower heatsink?

First of all, this aluminum heatsink extrusion looks like a sunflower in appearance, so it is called a sunflower heatsink.

But more because of the fact that this aluminum sunflower heatsink aletas is spread out from the center base to the outward fins, so that it can more evenly and smoothly receive the airflow from the fins, so that the heat can be taken away more evenly.

And the sunflower heatsink is not only a round sunflower heatsink, but also a square sunflower heatsink, an oval sunflower heatsink and various other special-shaped sunflower heatsinks.

That is to say, a heatsink with a frame of multiple radially aligned split fins derived from the center of a main body can become a sunflower heatsink.

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