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3J/121E

Information - Help 
ID = 37777
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 3J/121E
Similar Tubes
Normally replaceable-slightly different:
  CV28
Heater different:
  3J/122E

Base COAXIAL in general (X..)
Was used by Transmittertube (Radio)
Filament Vf 16 Volts / If 22 Ampere / Direct / Specified voltage AC/DC
Description

Tungsten Filament

Va <8kV; Ia <225mA; Pa <730W; Ig <100mA @3MHz.

 
Dimensions (WHD)
incl. pins / tip
181 x 359 x mm / 7.13 x 14.13 x inch
Weight 2750 g / 97.00 oz
Information source - - Manufacturers Literature   Data sheets June 1961

3j121e_data.png
3J/121E: ITT, Electronic tube, 1970/71
Anonymous 10 Collector

 

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]
  

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