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AF251

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ID = 45253
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transistor   UHF 
Identical to AF251
Similar Tubes
Other shape (e.g. bulb type):
  AF239

Base Wires
Filament Solid State
Description PNP germanium mesa transistor for TV mixer/oscillator applications.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
8 x 5 x 3 mm / 0.31 x 0.20 x 0.12 inch
Weight 1 g / 0.04 oz
Information source - - -   
- - -   Towers IVT
- - -
- - -
  af_251.png
  AF251: TFK Sprecher 49/1969
Egon Strampe
 
af251.jpg
AF251: g.h.
Gerhard Heigl

 
sot25_t.gif
AF251: Telefunken
Günther Stabe † 19.8.20

 

Usage in Models 3= 1967 ; 1= 1969

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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