Jan.1950 : Radio-Magazin (Das) mit Fernseh-Magazin Nr.1 1950 S.22
15.Aug.1947 : Electron Tube Registration List 597
Culot
Octal (Int.Octal, IO) K8A, USA 1935
Description
Sylvania Varistor: it was a network of four selected and matched germanium diodes, intended for balanced modulator use. Reverse voltage continuous = 25V Forward current @ 1V drop = 12.75mA Reverse current @ -10V = 40uA
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1N40: Das Radio-Magazin Nr.1 1950 S. 22
Günther Stabe † 19.8.20
