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Chip Amps Amplifiers based on integrated circuits

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Old 13th April 2005, 11:21 AM   #1
DD_Davo is offline DD_Davo  United Kingdom
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Hi

Does anyone know where i can get a heatsink for a TDA 1521 philips amplifier IC? The IC has two nothes, one either side. I have attached a picture to demonstrate. Thanks for any help
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Old 13th April 2005, 12:22 PM   #2
Nuuk is offline Nuuk  United Kingdom
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My guess is that any heatsink will do and it's the method of fixing that is the issue. What about a small strip of brass secured by a screw at either end?
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Old 13th April 2005, 01:00 PM   #3
jackinnj is offline jackinnj  United States
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Heatsinks
this is what I made for the LM4780 which has a similar hole arrangement -- adjust the dimensions for your purpose -- it snugs the chip up to the heatsink quite well:

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