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TT20

Information - Help 
ID = 21612
       
Country:
Great Britain (UK)
Brand: GEC, General Electric Co.; London
Tube type:  Double Tetrode   UHF 
Identical to TT20 = QQE03/20
Similar Tubes
Normally replaceable-slightly different:
  RS1019

Base Septar (1+6 pins) 2 Top contacts.
Filament Vf 12.6 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC
Description B7A base. Two top caps. 150 MHz full rating, useful to 600 MHz
 
Text in other languages (may differ)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
- - Data from my own collection   
 
sp9_g_14.gif
TT20: RTT Schwandt
Günther Stabe † 19.8.20

 

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