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P405

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ID = 28678
       
Country:
France
Brand: Lutèce-Lumière S.A.; Paris
Tube type:  Triode, vacuum   Power/Output 
Identical to P405
Similar Tubes
Normally replaceable-slightly different:
  B405
First year 1928 ?? Saga of the Vacuum Tube, Tyne page 413
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 28
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.2 Ampere / Direct / Battery =
Description

Manufacturers : Lutèce-Lumiere SA, Paris
LF Triode
Va : 50 to 150V
Ia : 8 to 10mA
Vg : -4 to -15V
S : 2.5 mA/V
μ : 5

 
Text in other languages (may differ)
Information source - - Manufacturers Literature   Catalog 1929
- - Manufacturers Literature   Undated data sheet
b4_base_pins~~919.png P405: Fin Stewart
Fin Stewart

Just Qvigstad 		p405-lutece-doc.png
P405: Manufacturers data
Patrice Zeissloff
 
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