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5-442

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ID = 12358
       
Country:
Netherlands
Brand: Thermion; Lent (Nijmegen)
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to 5-442 = E442
Similar Tubes
Other shape (e.g. bulb type):
  T5-442
Production stop Feb.1938
Predecessor Tubes IS3  

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
42 x 135 x 35 mm / 1.65 x 5.31 x 1.38 inch
Weight 58 g / 2.05 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1933

5442base.png 5-442
Peter den Boer


Just Qvigstad
5442data1.png
5-442: own collection
Peter den Boer

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5_442.jpg

5-442
 

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