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Old 18th Sep 2017, 4:49 pm   #16
Bazz4CQJ
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Join Date: Apr 2009
Location: Oxfordshire, UK.
Posts: 4,924
Default Re: 2N3055 Transistors.

I cannot help on the issue of opening one up, but I do have a wonderful old 25A psu, probably made in the 70's by the Kingshill company (long since gone) which I found in a dustbin.

It has twelve 3055's all of which were very rusty indeed, but the supply works very well.

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