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1F33

Information - Help 
ID = 3631
       
Country:
Czechoslovakia
Brand: Tesla; Praha, Bratislava etc.
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 1F33 = DF96 = 1AJ4 = EP202
Similar Tubes
Heater different:
  1F34

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 1.4 Volts / If 0.025 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
19 x 49 x mm / 0.75 x 1.93 x inch
 
1f33_tesla.jpg
1F33: Eigene Sammlung
Aldo Patriarca

 
1f33.png
1F33: Röhrentaschenbuch VT 1962
Jörg Kulbe

 
1f33_spec.png
1F33: data-sheet
Anonymous 15 Collector


from Just Qvigstad

Usage in Models 1= 1948 ; 1= 1954?? ; 1= 1956 ; 1= 1957 ; 2= 1958 ; 1= 1959?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7


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