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T5-442

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ID = 51819
       
Country:
Netherlands
Brand: Thermion; Lent (Nijmegen)
Developer: Thermion; Lent (Nijmegen) 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to T5-442
Similar Tubes
Other shape (e.g. bulb type):
  5-442 ; E442
Production stop Feb.1938

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 Top contact screw type.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description This is a Thermiode, a glass tube in a shielding of nickel-iron alloy to prevent electric or magnetic interference. 
Information source - - Manufacturers Literature   1933
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5442base~~1.png T5-442
Peter den Boer


Just Qvigstad
 

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