Heatsink insulator

rem280 · 22nd November 2009, 01:34 AM

I riped an insulator in an amp I'm working on. its a car amplifier the transistors are attatched to the case with clips and the insulator is a tape that is stuck to the case. I don't want to use mica insulators because I tried that before on an amp with a similar design and it's difficult to line them up right so that they wont short without the screw. I could not find the correct insulator eneywere then and I had a local electronics store order it for me from nte and it took 6 months to get. I was wondering if enyone new where to order this from or (a long shot) if anyone knows where to get it near Seattle WA.

jaycee · 22nd November 2009, 01:20 PM

What you are looking for is Kapton tape.

nigelwright7557 · 22nd November 2009, 08:29 PM

Quote:

Originally Posted by rem280

I riped an insulator in an amp I'm working on. its a car amplifier the transistors are attatched to the case with clips and the insulator is a tape that is stuck to the case. I don't want to use mica insulators because I tried that before on an amp with a similar design and it's difficult to line them up right so that they wont short without the screw. I could not find the correct insulator eneywere then and I had a local electronics store order it for me from nte and it took 6 months to get. I was wondering if enyone new where to order this from or (a long shot) if anyone knows where to get it near Seattle WA.

Try Welcome to rswww.com they have flexiblke washers for the job.

richie00boy · 22nd November 2009, 08:36 PM

Mica insulators would hold in place if you use a dab of compound. They are supposed to be used with compound anyway.

But they are messy. Kapton tape is better. I can sell you a roll if you are stuck.

22nd November 2009, 01:34 AM	#1
rem280 diyAudio Member Join Date: May 2009	Heatsink insulator I riped an insulator in an amp I'm working on. its a car amplifier the transistors are attatched to the case with clips and the insulator is a tape that is stuck to the case. I don't want to use mica insulators because I tried that before on an amp with a similar design and it's difficult to line them up right so that they wont short without the screw. I could not find the correct insulator eneywere then and I had a local electronics store order it for me from nte and it took 6 months to get. I was wondering if enyone new where to order this from or (a long shot) if anyone knows where to get it near Seattle WA.

22nd November 2009, 08:36 PM	#4
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	Mica insulators would hold in place if you use a dab of compound. They are supposed to be used with compound anyway. But they are messy. Kapton tape is better. I can sell you a roll if you are stuck. __________________ www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more

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22nd November 2009, 01:20 PM	#2
jaycee diyAudio Member Join Date: Apr 2004 Location: Norwich, UK	What you are looking for is Kapton tape.

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