Electronics > Projects, Designs, and Technical Stuff
Tubular extruded heatsink manufacturer
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OgreVorbis:
Hi,
I'm looking for a company that sells heatsinks like this: https://www.fischerelektronik.de/web_fischer/en_GB/heatsinks/D02/Miniature%20cooling%20aggregates/$catalogue/fischerData/PG/LAM4/search.xhtml

I would go with fischer, they just don't have the length I need and I'd like the raw stock anyway.

I don't know the exact term to describe this other than tubular extruded heatsink.

Let me know if you know any manufactures for this.

Thanks.
soldar:
Interesting concept. I have never seen those in the wild. Maybe the purpose is to exhaust the hot air into ducts and then take it away?  Otherwise I cannot think of a reason to use them.

Maybe you can ask https://www.boydcorp.com/thermal/heat-sinks/extruded.html
Benta:
Why don't you call Fischer?
I'm pretty certain that the extrusion tool is their property, but that doesn't mean they won't sell the profiles in full length.

wraper:

--- Quote from: soldar on June 13, 2019, 06:16:41 pm ---I have never seen those in the wild. Maybe the purpose is to exhaust the hot air into ducts and then take it away?  Otherwise I cannot think of a reason to use them.

--- End quote ---
They are common in electronic loads and system PSUs. You can mount a lot of devices on both sides, and all hot air gets straight out from back of the case. Great for dissipating a lot of heat.

thm_w:
If you are making a lot of these, its not too expensive for a custom die. But if 40x40mm works thats quite a standard size so you should find something that works.

https://www.aliexpress.com/i/32821793383.html
https://www.aliexpress.com/i/32780223588.html
https://www.aliexpress.com/i/32904858135.html
https://www.aliexpress.com/item/1-piece-4CM-fan-radiator-Aluminum-profile-cooling-tunnel-40-40mm-Length-can-be-customized-free/32913499568.html
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