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T0-3 Alumina or Be insulators - Click HERE for Original Thread
Magura
Anyone know where I can find T0-3 alumina or Be insulators ?

I just need a few, but they seem hard to find theese days :(


Magura :)
Peter Daniel
Proably because most of those BeO pads "have been already disposed at the nearest chemical disposal center" ;)

Try this thread for more info:
http://www.diyaudio.com/forums/show...5021#post315021
Magura
quote:
Originally posted by Peter Daniel
Proably because most of those BeO pads "have been already disposed at the nearest chemical disposal center" ;)


You got me there Peter ;)

The problem is that I'm getting somewhat desperate as I can't seem to find anything that just smells like alumina T0-3 insulators and thought that it may be possible to find the BeO version instead.....it's not that I like the idea of BeO in anything if I could avoid it.

Magura :)
jacco vermeulen
How many TO3 ALuminum oxides do you need, Magura ?
Magura
quote:
Originally posted by jacco vermeulen
How many TO3 ALuminum oxides do you need, Magura ?


8 would do, 10 would leave me with 2 to mess up.

Rumor will have it that they tend to crack easily when mounted :(

Magura :)
jacco vermeulen
Yep, they have the feel and look of ceramics.
The stuff is quite hard, as long as they are torqued evenly they withstand decent pressure.
But dont drop them !

They can be had at Burklin's in Germany :

www.buerklin.com/gruppen/KapB/B107505.asp
Magura
Thanks a lot....so they still do exist :)


Magura :)
jacco vermeulen
And work better than TO3 silicon's or mica insulators on class A amplifiers.
I measured temperature difference when i used them for lateral Hitachi Mosfets in class A amplifiers.
Look cleaner too, if you wipe excess thermal grease off.
btw: price in 1990 was 0.90 euro for 1 at the same shop.

let me know if you have trouble ordering, i have an account there for like 20 years.
(i call myself a Pro-diy, sort of like workhorse :clown: )
when i am finished doing Leach stuff, i need to order a whole lot of MPC71 resistors from them for Aleph's and Zen's.
(dead cheap at Burklin's, imo)

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