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3-453

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ID = 10545
       
Country:
Netherlands
Brand: Thermion; Lent (Nijmegen)
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 3-453
Similar Tubes
Other shape (e.g. bulb type):
  T3-453
Normally replaceable-slightly different:
  C453
Production stop Feb.1938

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Filament Vf 4 Volts / If 0.3 Ampere / Direct / Battery =
Description To avoid the Philips penthode patent, Thermion calls it a tetrode because the surpressor grid is connected to the grid instead of the kathode/filament. Nevertheless, this is a plug-in replacement for the C453. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1933

3453base.png 3-453
Peter den Boer


Just Qvigstad
34531data.png
3-453: own collection
Peter den Boer

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Collection of

 
3453.jpg

3-453
 

Variants

Dimensions 51x130x35 mm; wight 48 gr.

Dimensions are: 51x110x35 mm; weight 55 gr.



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