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1881

Information - Help 
ID = 7514
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 1881
Similar Tubes
Normally replaceable-slightly different:
  SSIH60/250
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Em)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.2 Ampere / Half indirect
Information source - - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia   p. 260 & 261
Taschenbuch zum Röhren-Codex 1948/49
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

1881_so.png 1881: rtt
Anonymous 10 Collector


Just Qvigstad
 

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