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E443

Information - Help 
ID = 1338
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Power/Output 
Identical to E443
Similar Tubes
Normally replaceable-slightly different:
  E43 ; MP/PEN
Other characteristic (electr. data):
  E443H ; E443N
Different connections:
  E443_4pin
Multiple differences or of other kind:
  RES664d
First year 1929 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Feb.1929 : Philips Bulletin
Jun.1930 : - - Manufacturers Literature
Successor Tubes 1930   E443N  
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.9 Ampere / Direct / Specified voltage AC/DC
Description

With 5.5 watts the output power of the E443(N) was increased to almost twice of the former C443. To do so, it required 400 volts as anode and 200 volts as screen voltage.
[J R, 2003-01-19]

 
Text in other languages (may differ)
Tube prices 1 Tube prices (visible for members only)
4_56.png E443: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		e443_datenblatt.png
E443: F. H.
Hermann Fleischanderl
More ...
Usage in Models 5= 1929 ; 1= 1930?? ; 1= 1931?? ; 1= 1931 ; 1= 1932? ; 4= 1932 ; 1= 1933? ; 4= 1933 ; 2= 1934?? ; 2= 1934? ; 3= 1934 ; 1= 1935? ; 9= 1935 ; 1= 1936 ; 1= 1937
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):37

Collection of

Jacky Parmentier (F)
Karl - Heinz Bossan (D)
Stefan Müller (D)
Bekir Yurdakul (F)
Jacob Roschy (D)
 
e443_74r.jpg

E443
 
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