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F235

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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 = 451_deForest = 35 = 235 = 35/51

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC
Description

The F-235 is the 235 made for FADA by RCA.

 

f235_so.png F235: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad

Collection of

 
f2351.jpg

 

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