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DIY & Tutorials
DIY For Audio
Mica insulators for TO-247
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<blockquote data-quote="Nchebe" data-source="post: 943520" data-attributes="member: 22015"><p>Howdy...</p><p></p><p>Another option is to use silicone thermal interface material. You can get it in precut shapes as well as rolls/sheets. The stuff at Mantech (https://www.mantech.co.za/ProductInfo.aspx?Item=15M1593) has about twice the thermal conductivity of mica (1.3W/mK vs 0.7W/mK. Better, in other words...) and is also a lot less messy, because you don't need the thermal grease too! If you're prepared to spend more, 10W/mK and higher is available. The soft nature of the material also conforms to the surfaces better. Basically, you want to get rid of any air between the two surfaces for best heat transfer. Microscopically they're not as flat as they seem!</p></blockquote><p></p>
[QUOTE="Nchebe, post: 943520, member: 22015"] Howdy... Another option is to use silicone thermal interface material. You can get it in precut shapes as well as rolls/sheets. The stuff at Mantech (https://www.mantech.co.za/ProductInfo.aspx?Item=15M1593) has about twice the thermal conductivity of mica (1.3W/mK vs 0.7W/mK. Better, in other words...) and is also a lot less messy, because you don't need the thermal grease too! If you're prepared to spend more, 10W/mK and higher is available. The soft nature of the material also conforms to the surfaces better. Basically, you want to get rid of any air between the two surfaces for best heat transfer. Microscopically they're not as flat as they seem! [/QUOTE]
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DIY & Tutorials
DIY For Audio
Mica insulators for TO-247
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