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Re: [Amps] heat sinks

Subject: Re: [Amps] heat sinks
From: Manfred Mornhinweg <>
Date: Fri, 16 Nov 2018 20:39:45 +0000
List-post: <>

my reply won't be the most helpful, but anyway:

Make a highly efficient amplifier. Then you don't need a huge heatsink.

Other than this, Heatsink USA is where I have bought heatsinks several times. Even from my location in Chile, with much more expensive international shipping, it was my best option.

Since then I have been collecting enough heatsinks from scrapped equipment to last for a while. Some huge ones come from a Siemens excitation control system for a big hydroelectric generator, and a big and very dense one, suitable for dissipating several kilowatts of heat with the help of a powerful blower, came from a Peltier chiller.

Maybe you can find some good big ones in industrial scrap yards. VVF drives for motors are massively used, rarely repaired when they fail, and the bigger ones often have rather large heatsinks in them.


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