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AF256

Information - Help 
ID = 38192
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transistor   VHF 
Identical to AF256
Similar Tubes
Normally replaceable-slightly different:
  AF106 ; AF306

Base Wires
Filament Solid State
Description Material/Aufbau/Pol.: Germanium Mesa PNP;
Form/Case: SOT-25 Anschlussfolge EBC;
Daten/electr.data: I F: 1 mA; U F: __ V; Isp: 8 µA; ß (beta): >10; N: 90 mW; Imax(Ic): 10 mA; Umax(Ucb): -25 V; Umax(Uce): -18 V; f g(FT): 330 MHz; tmax j: __ °C.
VHF Mischer/Oszillator/Vorstufen.
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 -- Collector info (Sammler)   TVT 1979/80
 
af256.jpg
AF256: Eigene Sammlung
Hermann Fleischanderl

 
af256.png
AF256: TV Plan
Egon Strampe

 
af256_dat.png
AF256: Telefunken Taschenbuch 1971
Heinz Höger


Usage in Models 2= 1968? ; 1= 1968 ; 1= 1969 ; 1= 1970? ; 1= 1970 ; 2= 1972

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8


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