CK501X (CK501X) Subminiature tube

ID: 148988
This article refers to the component: To the tube/semiconductor

CK501X (CK501X) Subminiature tube 
13.Sep.07 13:48
1826

Konrad Birkner † 12.08.2014 (D)
Articles: 2333
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Konrad Birkner † 12.08.2014

Developed in 1939 it was immediately used in numerous Hearing Aids.
Ruggedized varieties came into use for proximity fuses (AAA).
In 1945 subminiature tubes found application in the first vest pocket superhet Belmont Boulevard 5P113.

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