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3D21

Information - Aide 
ID = 56539
       
 
   
Type:  Beam Power Tube   Texte 
Identique à 3D21
Première source
25.May.1945 : Electron Tube Registration List 408
Prédécesseurs D21_Hytron  
Successeurs 3D21A  

Culot Octal (Int.Octal, IO) K8A, USA 1935 Connexion au sommet par téton.
Chauffage Vf 12.6 Volt / If 0.85 Ampère / Indirect
Description 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. 
Dimensions
(l x h x p)
incl.pins/tip
46 x 122 x mm / 1.81 x 4.80 x inch
Bibliographie - - 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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