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ID = 4075
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Gas Pentode 
Identical to 0A5
First Source (s)
15.Jan.1947 : Electron Tube Registration List 555

Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Sockel 0 A 5)
Was used by Technology / Measurement
Filament --/--

Cold-cathode gas pentode.
Typical operating conditions: Va = 750V, G3 bias = 90V, trigger pulse = 85V, Discharge cap = 0.25uF.

Text in other languages (may differ)
Tube prices 5 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

0A5: Sylvania Radio Tube
Günter Kudicke

0a5_sock.png 0A5: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

Just Qvigstad
0A5: Manufacturer's Literature
Emilio Ciardiello

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