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T5-428

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ID = 14835
       
Country:
Netherlands
Brand: Thermion; Netherlands
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to T5-428
Similar Tubes
Other shape (e.g. bulb type):
  5-428 ; E428
Production stop Feb.1938

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
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. 
Dimensions (WHD)
incl. pins / tip
47 x 111 x 30 mm / 1.85 x 4.37 x 1.18 inch
Weight 98 g / 3.46 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1933

5428base~~1.png T5-428
Peter den Boer


Just Qvigstad

Collection of

 
t5_428.jpg

T5-428
 

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