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E443H

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ID = 1735
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Vacuum Pentode   Power/Output 
Identical to E443H = L496D = PP4101 = RES964 = DW9 = RTP4 = P43 = WE30 = TE43H = W443H = P435 = RS4143 = RS4543 = A4S = TV4110 = 4A5_Ultron
Similar Tubes
Normally replaceable-slightly different:
  5-443H ; CL1257_Pentode ; DP4_Oxytron ; F100N ; PM24M ; PP4 ; T1304_RR ; W516
Other characteristic (electr. data):
  E443 ; E443N
Other base:
  AL1 ; E443H_UY
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Apr.1933 : Philips Bulletin #D6
Predecessor Tubes E443N  
Successor Tubes 1935   AL1   AL3  

Base Europe 5-Pin (O5A, B5) (Codex=Foo)
Filament Vf 4 Volts / If 1.1 Ampere / Direct / Parallel, (AC/DC)
Description By model of the very similar USA-types PZ or 47 from 1931, with the E443H Philips now introduced output pentodes in Europe with equally 250 Volts screen and plate voltage, it also brought the 7k-ohms load-standard to Europe which remained until the end of the tube era. The former E443N required 400 Vp, but extra 200 Vg2 [J.R. 2003-01-19] 
Text in other languages (may differ)
Tube prices 4 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  e443h.gif
  E443H: ficha de valvulas
Getulio Jimenez-Gomez
 
e443h_philips.jpg
E443H: My own collection
Hannu Alho

 
4_9.png
E443H: Telefunken Werkstattbuch
Wolfgang Bauer

 
e443h_spec.png
E443H: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1930 ; 1= 1931 ; 1= 1932? ; 10= 1932 ; 2= 1933?? ; 16= 1933? ; 77= 1933 ; 4= 1934?? ; 21= 1934? ; 172= 1934 ; 3= 1935?? ; 20= 1935? ; 109= 1935 ; 2= 1936? ; 26= 1936 ; 1= 1937? ; 2= 1937 ; 1= 1938 ; 3= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):472



Forum contributions about this tube
E443H
Threads: 1 | Posts: 1
Hits: 2766     Replies: 0
E443H (E443H)
Reinhard Hanschke
13.Aug.07
  1

Neupreis 1938: 69,00 FFR. Lit.: Catalog der Fa. MANUFRANCE (MF) von 1938.

 
E443H
End of forum contributions about this tube

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