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3C27B

Information - Aide 
ID = 39902
       
Pays:
Etats-Unis
Fabricant: National Union Radio Corp.; Orange (NJ)
Concepteur: National Union Radio Corp.; Orange (NJ) 
Type:  Transmitting Triode, air cooled   UHF 
Identique à 3C27B
Similaires
Differentes limites maxi :
  3C27
Première source
12.Sep.1947 : Electron Tube Registration List 605
Prédécesseurs 3C27  
Successeurs 3C37  

Utilisé par Radar
Chauffage Vf 6.3 Volt / If 2.5 Ampère / Half indirect
Description

UHF pulse triode. Similar to 3C27, but rated for higher duty cycle; comes with grid radiator.

  • 5 kV typical pulsed operation
  • 8 kW out power at 1140MHz
  • 0.005% duty cycle
  • Air blast required on plate and grid radiators.

Samples were found with the grid radiator installed and the B suffix added to the original marking as 3C27. Probably a small production lot of 3C27, factory uprated to 3C27B

 
Bibliographie Tube Lore (I)   

mpup3c_1.png 3C27B: Manufacturer's Literature
Emilio Ciardiello

3c27_1.png
3C27B: Manufacturer's Literature
Emilio Ciardiello

Plus d'infos ...

Collection de

 
3c27b_a.jpg

3C27B
 

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