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5-409V

Information - Help 
ID = 51775
       
Country:
Netherlands
Brand: Thermion; Netherlands
Developer: Thermion; Netherlands 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 5-409V
Similar Tubes
Other shape (e.g. bulb type):
  T5-409
Normally replaceable-slightly different:
  E409
Production stop Feb.1938

Base Europe 5-Pin (O5A, B5)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Literature - - Manufacturers Literature   1935
 
5409vbase.png
5-409V
Peter den Boer

 
5409and5409vdata1_1.png
5-409V: own collection
Peter den Boer


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