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NF501

Information - Help 
ID = 73257
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  IC - Integrated Circuit   Audio Frequency 
Identical to NF501 = 03F
Similar Tubes
Other characteristic (electr. data):
  02F
Other base and data slightly different:
  330011_NSF

Base Wires
Filament Solid State
Description


 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
30 x 14 x 5 mm / 1.18 x 0.55 x 0.20 inch
Weight 6 g / 0.21 oz
Information source -- Schematic   
  d_tfk_nf501_einsatzbeispiel.png
  NF501: Telefunken
Heiko zur Mühlen
 
d_tfk_nf501_sideview.jpg
NF501: Eigenes Foto
Heiko zur Mühlen

More ...
 
nf501_s.png
NF501: (schematic)
Günther Stabe † 19.8.20

 
nf501_innen.png
NF501: (schematic)
Günther Stabe † 19.8.20


Usage in Models 1= 1968 ; 1= 1971

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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