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Old 19th Oct 2021, 7:40 pm   #30
Boulevardier
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Join Date: Sep 2017
Location: Bristol, UK.
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Default Re: 2N 3055-2 ( yes -2 )

Quote:
Originally Posted by Goldie99 View Post
I was under the impression that RCA 'homotaxial' production ceased in the early to mid '70's at the latest, and that the 'H' referred to 'heavy duty' ?

Alan
Yes, according to one of the Cricklewood data sheets, the "H" stands for heavy duty/ruggedised. Many (reputable) sources seem very confused, and readily substitute 2N3055 data sheets for 2N3055H, and seem to switch arbitrarily between 800 kc/s and 2.5Mc/s for Ft.

Mike
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