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2E42

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ID = 4241
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Raytheon Mfg. Co.; Cambridge, MA 
Tube type:  Diode-Pentode   RF/IF-Stage 
Identical to 2E42 = CK551AY
Similar Tubes
Normally replaceable-slightly different:
  CK551AXA
Other base:
  2E41
First Source (s)
05.Nov.1945 : Electron Tube Registration List rec. 450
Predecessor Tubes 2E41  

Base Subminiatur (wire-ends, flat) B5A (Codex=sp)
Was used by Radio/TV-reception etc.
Filament Vf 1.2 Volts / If 0.03 Ampere / Direct / Battery =
Description Similar to 2E41 with leads cut to plug in a socket. 
Tube prices 1 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
2e42.jpg
2E42
Aldo Patriarca

 
2e42_sock.png
2E42: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
2e42_1.png
2E42: Manufacturer's Literature
Emilio Ciardiello


Usage in Models 1= 1945 ; 2= 1948??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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