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E445

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ID = 2505
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to E445 = RENS1214 = AS4104 = H4125D = LAS317 = VMS4 = TE45 = LAS317
Similar Tubes
Normally replaceable-slightly different:
  A4VM ; Dn5004 ; ISV ; NVS4 ; RS4145 ; S4150C ; VS2_Oxytron ; W419
First year 1931 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Oct.1931 : Philips Bulletin # 3
1931 : Saga of the Vacuumtube, Tyne p.422
Successor Tubes E455  

Base Europe 5-Pin (O5A, B5) (Codex=Fc) Top contact screw type
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Tube prices 2 Tube prices (visible for members only)
Literature Philips Bulletin   September 1932
Taschenbuch zum Röhren-Codex 1948/49   
  e445.gif
  E445: ficha de valvulas
Getulio Jimenez-Gomez
 
e445_02.jpg
E445: Collection TL
Thomas Lebeth

 
9_12.png
E445: Telefunken Werkstattbuch
Wolfgang Bauer

 
e445_spec.png
E445: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1931 ; 1= 1932?? ; 1= 1932? ; 14= 1932 ; 2= 1933?? ; 6= 1933? ; 9= 1933 ; 2= 1934? ; 2= 1934

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):38


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