Antique radios, Old Time Radios
		
		
	 
 
     
          
     
	
	
	
	
	TUF20
	
	
	
	
	
	
		
			| 
					
						| Country: United States of America (USA) |  |  
						| Identical to | TUF20 |  
 
					
					
						
							| Base | Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uw)
								
								Sidecontact and top contact. |  
						| Filament | Vf 6.3 Volts / If 2.75 Ampere /  Direct  /  Specified voltage AC/DC |  
							| Description | This tube is a VHF power triode. |  
							| Tube prices | 1 Tube prices (visible for members 
only) |  
							| Information source | Tube Lore (II)   p. 160 Babani, International Radio Tube Encyclopaedia   p. 218 & 219
 Taschenbuch zum Röhren-Codex 1948/49
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									|  TUF20: ARRL Handbook 1972 Anonymous 10 Collector
 
 |   Just Qvigstad
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		Forum contributions about this tube
		TUF20
		Threads: 1 | Posts: 1
		
	 
	
	
		
			| Hits: 2831     Replies: 0TUF20 (TUF20) | 
		
		
		
			| Armin Eppinger 24.Jun.10
 | 1 Weitere  Daten zur Röhre TUF 20 : Cga = 3,5 pF ; Cgf= 1,8pF ; Caf = 0,9 pF . Input/ F kleiner250 Mc  Oszillator und Klasse C HF-Verstärker : Ua = 300 V, Ia = 100 mA ; Ug1 = -60 V  ;Ig1 = 15 mA . Ua 0 750 V ; Ia = 80 mA ; Ug1 = -150 V ; ig1 = 15 mA | 
			
		
	
	 
	
	
		TUF20
		End of forum contributions about this tube
	
  
			
		
	
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