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250TH

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ID = 16979
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transmitting Triode, air cooled 
Identical to 250TH = VT-220 = CV2589
Similar Tubes
Normally replaceable-slightly different:
  RK63

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bz)
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 10.5 Ampere / Direct / Parallel, (AC/DC)
Tube prices 4 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
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250TH: Ma propre collection , héritage ON4FD
Etienne Flemal

 
250th.png
250TH: Datenblatt
Wolfgang Bauer

 
250th_kennl.png
250TH: orr, radio hanbook, 20th ed
Michael Schlör


Usage in Models 1= 1938 ; 1= 1943?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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