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S28A

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ID = 16374
       
 
   
Tube type:  Triode, vacuum   UHF 
Identical to S28A = CV88
Predecessor Tubes S25A  

Filament Vf 6.3 Volts / If 0.4 Ampere / Half indirect
Description UHF disk sealed triode, capable of operation up to 1GHz. Improved variant of S25A, was approved as CV88.
1941. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original prospect or advert   Callick, Metres to Microwaves

 

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