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ID = 28925
Brand: Nowak & Co.; Wien
Tube type:  Triode, vacuum   Universal 
Identical to IIa
First year 1927 Saga of the Vacuumtube, Tyne page 463

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 1.6 Volts / If 0.15 Ampere / Direct / Battery =
Literature Bastelbriefe der Drahtlosen   1927, H.8
IIa: WEKA-Katalog 1927
Gerhard Heigl

Forum contributions about this tube
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Nowak IIa
Thomas Lebeth

Die Kennlinie der Röhre IIa von Nowak & Co, Wien V, Schönbrunnerstraße 21 erschien in der Ausgabe April 1926 des österreichischen Radio-Amateur (ÖRA). Hierbei werden folgende Daten angegeben:

S = 0,35 mA/V
Is = 8 mA (Sättigungsstrom)
D = 12%
Uh = 1,6 V
Ih = 0,25 A


Thomas Lebeth

End of forum contributions about this tube

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