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DIY For Audio
Mica insulators for TO-247
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<blockquote data-quote="Nchebe" data-source="post: 943634" data-attributes="member: 22015"><p>The Mica/Kapton or whatever, is used primarily as an insulator between heatsink and device. So obviously the thinner the better... I've never been a fan of splitting mica into thinner sheets as you can't really tell if it's the same thickness throughout. Thinner also means more susceptible to damage, so make sure surfaces are as clean and smooth as possible before applying paste and insulator. The other major thing to consider is the application of the paste. It generally has iffy thermal characteristics, so less is better. You have to ensure enough is used to fill all the air gaps between the components, but if you use too much you create another significant thermal barrier (two of them!). </p></blockquote><p></p>
[QUOTE="Nchebe, post: 943634, member: 22015"] The Mica/Kapton or whatever, is used primarily as an insulator between heatsink and device. So obviously the thinner the better... I've never been a fan of splitting mica into thinner sheets as you can't really tell if it's the same thickness throughout. Thinner also means more susceptible to damage, so make sure surfaces are as clean and smooth as possible before applying paste and insulator. The other major thing to consider is the application of the paste. It generally has iffy thermal characteristics, so less is better. You have to ensure enough is used to fill all the air gaps between the components, but if you use too much you create another significant thermal barrier (two of them!). [/QUOTE]
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DIY & Tutorials
DIY For Audio
Mica insulators for TO-247
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