Heatsinking the Lovoltech JFET

moe29 · 18th February 2006, 08:28 PM

OK guys, i'd like to see some pictures of how you're doing this!

seeing as i'm going to be wiring my Zen 8 circuit point to point, i really
need the JFET to be secure.

Zen Mod · 18th February 2006, 09:13 PM

I still have not any of little jewels,but this is what I do before with similar cases

mpmarino · 18th February 2006, 10:19 PM

digikey doesn't seem to stock those 'whatevers'. any idea where to get one?

Zen Mod · 18th February 2006, 11:13 PM

Quote:

Originally posted by mpmarino
digikey doesn't seem to stock those 'whatevers'. any idea where to get one?

what?
grey didn't send same number of whatevers as Jfets- in same envelope?

GRollins · 19th February 2006, 03:27 AM

Oh, man...so that's why I've got so many 'whatevers' sitting here! I forgot to send the silly things out with the JFETs.
Now, that's a big OOPS...

Grey

jh6you · 19th February 2006, 03:51 AM

Gee . . .
As I do not know what is whatever,

I use the juice maker . . .
But, stop the pressing just before you see the black juice . . .

jh

moe29 · 19th February 2006, 04:11 PM

I'm seriously thinking about using this:

Arctic Silver Thermal Adhesive

Even if you decided to use the heatsink for a different amp, the part
is so small - you could easily work around it.

...just an idea

mpmarino · 19th February 2006, 04:48 PM

Choky's solution is real good IMHO. The most common way I have seen a single device mounted in an industrial/heavy commercial app is as follows. The gray bar being a bent piece of heavy guage steel.

GRollins · 19th February 2006, 09:13 PM

In principle, you can solder the tab to a piece of copper. This is fine for assembly, but a nightmare for troubleshooting/service. You can also overheat the device and cause premature failure.
I prefer a mechanical system.

Grey

Zen Mod · 19th February 2006, 09:34 PM

Quote:

Originally posted by mpmarino
Choky's solution is real good IMHO. The most common way I have seen a single device mounted in an industrial/heavy commercial app is as follows. The gray bar being a bent piece of heavy guage steel.

off course I am in right....

same as with clamping speaker baskets in some pro applications.........

18th February 2006, 08:28 PM	#1
moe29 diyAudio Member Join Date: Dec 2002 Location: Florida	Heatsinking the Lovoltech JFET OK guys, i'd like to see some pictures of how you're doing this! seeing as i'm going to be wiring my Zen 8 circuit point to point, i really need the JFET to be secure.

18th February 2006, 10:19 PM	#3
mpmarino diyAudio Member Join Date: Jun 2004 Location: Crunchville, where I don't fit in.	digikey doesn't seem to stock those 'whatevers'. any idea where to get one? __________________ Crazy Yankee.

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19th February 2006, 03:27 AM	#5
GRollins diyAudio Member Join Date: Feb 2001 Location: Columbia, SC	Oh, man...so that's why I've got so many 'whatevers' sitting here! I forgot to send the silly things out with the JFETs. Now, that's a big OOPS... Grey

19th February 2006, 04:11 PM	#7
moe29 diyAudio Member Join Date: Dec 2002 Location: Florida	I'm seriously thinking about using this: Arctic Silver Thermal Adhesive Even if you decided to use the heatsink for a different amp, the part is so small - you could easily work around it. ...just an idea

19th February 2006, 09:13 PM	#9
GRollins diyAudio Member Join Date: Feb 2001 Location: Columbia, SC	In principle, you can solder the tab to a piece of copper. This is fine for assembly, but a nightmare for troubleshooting/service. You can also overheat the device and cause premature failure. I prefer a mechanical system. Grey

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