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446

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ID = 12456
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Screen-grid Tetrode 
Identical to 446

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Ho)
Filament Vf 2.5 Volts / If 1.7 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   


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