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E442S

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ID = 2504
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to E442S = RENS1204 = RA_Adzam = 4S120 = 5-442S = CWN4 = H4080D = 41MSG = DW2 = S4VX = S4150E = S410N = AS4100 = SV490 = RS4142N = TE42S
Similar Tubes
Other shape (e.g. bulb type):
  T5-442S
Normally replaceable-slightly different:
  151_Ignix_4pin ; 155_Ignix ; AJ15008 ; CJ442S ; J150
Other characteristic (electr. data):
  E442
Other base:
  E442S_UY
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Apr.1930 : -- Original prospect or advert
Predecessor Tubes E442  
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect
Description

Unterschiede zur E442: Etwas grösserer Kolbenumfang, elektrisch: Heizstrom 1 Amp. statt 0,9; Ug1 -2 statt -1,3 Volt; Innenwiderstand 400 statt 800 Kiloohm, STeilheit 1 statt 0,9 mit Anodenstrom 4 statt 1,5 mA. Weitere Details der E442S und E442 sind aus den technischen Unterlagen ersichtlich. Die E442 gibt es in 4-Stift und 5-Stift-Ausführung.

 
Tube prices 1 Tube prices (visible for members only)
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   p. 33
Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
e442s.gif
E442S: ficha de valvulas
Getulio Jimenez-Gomez
9_11.png E442S: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		e442s_spec.png
E442S: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
More ...
Usage in Models 1= 1928?? ; 1= 1929? ; 1= 1929 ; 4= 1930 ; 1= 1931?? ; 3= 1931? ; 14= 1931 ; 2= 1932?? ; 1= 1932? ; 10= 1932 ; 1= 1933?? ; 6= 1933? ; 3= 1933
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):48

Collection of

Jacob Roschy (D)
Thomas Lebeth (A)
Raynal Aufils (F)
Collection of a member from D
Tomasz Szczesniak (PL)
Christian ADAM (F)
Christian Schaufelberger (CH)
Patrice Zeissloff (F)
 
e442s_01.jpg

E442S
 
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