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222A

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ID = 7443
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  High-vacuum Rectifier 
Identical to 222A

Filament Vf 21.5 Volts / If 41 Ampere / Direct
Description Pure tungsten filament vacuum rectifier. 25KV PIV, 5A. Gridless 220A.
Federal, Machlett, WE known manufacturers. 
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   

222a_1.png 222A: Western electric electron tubes
Miguel Angel Trujillo-Rodriguez

Collection of

 
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