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277A

Information - Help 
ID = 9679
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 277A
Similar Tubes
Normally replaceable-slightly different:
  6C6

Base 6-Pin-Base U6A, old, USA (Codex=Kf) Top contact with a cap.
Filament Vf 6.3 Volts / If 0.3 Ampere / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
277a_so_so.png
277A: ARRL Handbook 1972
Michael Schlör

 

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