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3D21

Información - Ayuda 
ID = 56539
       
 
   
Tipo:  Beam Power Tube   Texto 
Idéntica a 3D21
Fuente principal (es)
25.May.1945 : Electron Tube Registration List 408
Válvulas Predecesoras D21_Hytron  
Válvulas Sucesoras 3D21A  

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Filamento Vf 12.6 Volt / If 0.85 Ampere / Indirect
Descripción Beam power tube intended to operate as blocking oscillator for pulse modulators up to 20KW. May also be used as deflection amplifier. Specially designed to utilize high-volume materials and production techniques, typical of receiving tubes.
Centre-tapped heater; may be operated at 6.3V, 1.7A. 15W plate dissipation. 
Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip
46 x 122 x mm / 1.81 x 4.80 x inch
Literatura - - Manufacturers Literature   
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3d21a.png 3D21: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad
3d21_1.png
3D21: Manufacturer's Literature
Emilio Ciardiello

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