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P1

Information - Help 
ID = 8040
       
Country:
Netherlands
Brand: Longlife, the Hague
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to P1
Similar Tubes
Normally replaceable-slightly different:
  373
Production stop Feb.1938

Base Europe 3-Pin (B3, H) (Codex=Eo)
Filament Vf 4 Volts / If 1 Ampere / Direct
Description The "Röhren-codex" lists this tube as a Thermion tube, but the brand is Longlife. Max. anode Volts = 300, max DC current = 60 mA. 
Dimensions (WHD)
incl. pins / tip
48 x 112 x 35 mm / 1.89 x 4.41 x 1.38 inch
Weight 47 g / 1.66 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1-2-1935
 
p1_2.jpg
P1
Peter den Boer

 
16_32~~6.png
P1: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 1= 1922

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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