Insulators for ho-3??

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CryingDragon

No,not T0-3 here's what they look like:
 

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PassFan

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Joined 2001
I took apart a JVC integrated amp one time and there was no insulator on the chip. I can't remember if the heat sink was isolated or not. If you have the pinout make sure the case is hot. If so, try to find one salvage in a repair shop maybe, or perhaps find a sheet of mica and cut your own. Good Luck:(
 
jam

jam

Member
Joined 2001
The cases on most STK devices are not hot. They are bolted directly to the heatsink. (No Insulator)

These devices have been used by JVC, Pioneer, Yamaha and Sanyo ( who also makes a lot of these devices)

I will check on the pinout early next week and let you know for sure.

Jam
 
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OddOne

Member
Joined 2002
If it turns out that the heat spreader on the module IS tied to a pin as compared to electrically isolated, get a piece of Kapton film (preferably Kapton MT or similar) that's a mil or two thick, trim to fit (leaving extra along all edges), coat both sides of it properly with a good thermal compound, and use it as the electrical insulator.

Kapton is thermally conductive (0.37 W/m for the MT type) while acting as a HV elctrical insulator (5KV+ per mil dielectric strength).

oO
 
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