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ID = 12361
Brand: Thermion; Netherlands
Tube type:  Screen-grid Tetrode 
  Ca. 1925 up to 1945 rare.
Identical to 5-462 = E462
Similar Tubes
Other shape (e.g. bulb type):
Production stop Feb.1938
Predecessor Tubes IS104  

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact screw type.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
43 x 136 x 35 mm / 1.69 x 5.35 x 1.38 inch
Weight 59 g / 2.08 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1933

5462base.png 5-462
Peter den Boer

Just Qvigstad
5-462: own collection
Peter den Boer

More ...

Collection of




This is the only Thermion tube with Philips designation, which I have found. Dimensions 42x138x35 mm; weight 66 gr.

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