Best isolator for output devices on an F5 ?

[turboyam]

Need your help once more.
I will need isolators for the outputs and for the rectifiers diodes.
Rectifier diodes will be MUR3060.
Tried to find myself but i admit that the choice is overwhelming!...
I heard of one that don't need thermal grease, i'd like to use those,
good enough?.
I want something that performs well .
Thanks,
Pierre

 

[labjr]

http://www.diyaudio.com/forums/vend...therm-red-86-83-isolators-247-1-ea-stock.html

 

[turboyam]

Well, thanks Labjr ! This is what i was looking for.

 

[turboyam]

Tried to contact member Zhoufang about the Keratherm from Kerafol,
no answer.
Is there another source in North America?.

 

[Zen Mod]

when communicating with Zhou , you need little patience ;

 

[Bksabath]

If you are in a rush I got a litle bit to spare 😀
I can cut strips of 21 mm 375 mm long

This way it fits TO247 TO220 with litle waste, this stuff is expensive.

 

[turboyam]

If you are in a rush I got a litle bit to spare 😀
I can cut strips of 21 mm 375 mm long

This way it fits TO247 TO220 with litle waste, this stuff is expensive.

Great idea!, as a matter of fact, i would prefer it that way !.
I will not need a mounting hole as i will use the "plate with 2 screw" type
of mounting.
PM sent, thanks!!!

 

[Bksabath]

Great idea!, as a matter of fact, i would prefer it that way !.
I will not need a mounting hole as i will use the "plate with 2 screw" type
of mounting.
PM sent, thanks!!!

PM sent back


I am using M4 bolts as the more the pressure the beter the Kerafoll work.

Loads of pictures on MY F5 tread.

 

[Bksabath]

Cutting guide for 21 mm strip

This stuff is expensive so to minimise waste 21mm wide fits all.

 

[turboyam]

Thanks Bksabath!. Received the strips, i was thinking of using a strip
of Kerafol under and OVER the outputs, wanting to use an aluminum bar
with 2 screws to hold down the devices.
Sounds like a good idea?.

 

[Bksabath]

You welcome and that quick?😀

Over if you mean the top is a vaste IMO you do not need insulation for plastic case.

2 screws are beter than 1 as when you increase the pressure you reduce the thermal impedence of the Kerafoll as in the graph on the data sheet.

I use a piece of cooper with captive M4, aluminium bar will be perfect as well
watch out for stripping the tread on the sinks if you drill and tap them.