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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets.

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Old 28th Jan 2022, 8:36 pm   #21
factory
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Join Date: Jul 2009
Location: Cheshire, UK.
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Default Re: Looking for data for R.C.A. 16957 transistors

Quote:
Originally Posted by Maarten View Post
Relaying from a Dutch forum: Anyone ever encountered an RCA 21270? Google has 1 entry that suggests it was used as an audio output in an organ, which makes sense as it is a TO-3 type. Other markings are 274 where RCA is normally stamped and VHU7416440 where the date code is normally stamped. RCA isn't stamped on the transistor but on the box.
Nothing in the 1967 RCA transistor book, or 1994 D.A.T.A. digest transistor book either.

David
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