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3C27B

Información - Ayuda 
ID = 39902
       
País:
Estados Unidos
Marca: National Union Radio Corp.; Orange (NJ)
Diseñador: National Union Radio Corp.; Orange (NJ) 
Tipo:  Transmitting Triode, air cooled   UHF 
Idéntica a 3C27B
Válvulas similares
Different maximum ratings:
  3C27
Fuente principal (es)
12.Sep.1947 : Electron Tube Registration List 605
Válvulas Predecesoras 3C27  
Válvulas Sucesoras 3C37  

Usada en Radar
Filamento Vf 6.3 Volt / If 2.5 Ampere / Half indirect
Descripción

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

 
Literatura Tube Lore (I)   

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

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

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Colección personal de

 
3c27b_a.jpg

3C27B
 

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