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DQ4

Information - Help 
ID = 6993
       
Country:
Switzerland
Brand: BBC - Brown Boveri; Switzerland
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to DQ4
Similar Tubes
Other characteristic (electr. data):
  DQ45
Other base:
  DQ4a ; DQ4c

Base Super Jumbo (4 pin) with bajonet Top contact with a cap
Was used by Industrial
Filament Vf 5 Volts / If 7.5 Ampere / Direct
Description

4-Stift-Sockel

 
Tube prices 4 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  dq4_bbc_anwendung.png
  DQ4: BBC Röhren Handbuch 1
Aldo Patriarca
 
bbc_dq4.jpg
DQ4: EE
Ernst Erb

 
dq4_bbc_sockelschema.png
DQ4: BBC Handbuch 1
Aldo Patriarca

 
dq4_dat.png
DQ4: elektron taschenbuch 1952
Heinz Höger



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