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3D21

Information - Hilfe 
ID = 56539
       
 
   
Typ:  Strahlbündel-Endröhre   Text 
Identisch mit 3D21
Erste Quelle(n)
25.May.1945 : Electron Tube Registration List 408
Vorgänger D21_Hytron  
Nachfolger 3D21A  
Sockel Oktalsockel K8A, IO (USA ab 1935) Obenanschluss-Kappe.
Heizung Uf 12.6 Volt / If 0.85 Ampere / Indirekt
Beschreibung 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. 
Abmessungen (BHT)
inkl. Stifte/Spitzli		 46 x 122 x mm / 1.81 x 4.80 x inch
Literatur - - 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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