radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

139

Information - Help 
ID = 9657
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Audio Frequency   Controlling (mu) 
Identical to 139 = C239 = 39 = 39/44

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hfo) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.3 Ampere
Dimensions (WHD)
incl. pins / tip
x 118 x 34 mm / x 4.65 x 1.34 inch
Weight 38 g / 1.34 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   

s_228_g_3.gif 139: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


Just Qvigstad
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information