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Old 19th Oct 2021, 5:29 pm   #25
G.Castle
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Join Date: Dec 2020
Location: Swaffham, Norfolk, UK.
Posts: 586
Default Re: 2N 3055-2 ( yes -2 )

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Originally Posted by Boulevardier View Post
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Originally Posted by G.Castle View Post
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Originally Posted by Boulevardier View Post
That's a really useful scan Dave. I see that the 2N3055E is the only member of the family specified by Towers listing as having Ft of 2.5 Mc/s. Does that mean that all production since about 1970 should properly be labelled 2N3055E?

Mike
The E stands for the method used to produce the semiconductor die, Epitaxial.
Indeed. But my question was - shouldn't all recent production 2N3055s be labelled 2N3055E?

Mike
OK, then the implied answer was only if they are epitaxial construction.
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