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F235

Information - Help 
ID = 38060
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to F235 = 35 = 235 = 35/51 = 451_deForest

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap.
Filament Vf 2.5 Volts / If 1.7 Ampere / Indirect / Parallel, (AC/DC)
Description The F-235 is the 235 made for FADA by RCA. 
Information source - - -   
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f2351.jpg
F235: H.P.L
Hans-Peter Ladwig

 
f235_so.png
F235: ARRL Handbook 1972
Michael Schlör

 

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