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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: TO-220 tab leaking to heatsink? posted by jorisdallaire on September 5, 2014 at 08:48:28:
Better yet consult the data sheet for the thermal pad you bought. Digikey is also a good source for data sheets for things they sell.But most modern flexible thermal pads do not use thermal grease. In fact IIRC, it may actually degrade the thermal transfer properties.
TK is also quite correct about the grease when used. To little is better than too much.
P.S. a good source of free heatsinks and thermal pads is old CRT computer monitors. Especially the larger 19in screen units. Lots of HV caps too if you trust them. At least the mylars should be OK.
Edits: 09/05/14
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- Use paste only with Mica - gusser 11:02:25 09/05/14 (1)
- .... and ceramic isolator pads.-nt - Steve Jones 10:20:38 09/08/14 (0)
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