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2SA448

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ID = 46929
       
Country:
Japan
Brand: Sony Corporation; Tokyo
Tube type:  Transistor   UHF 
Identical to 2SA448

Base Wires
Description Material/Aufbau/Pol.: Germanium Mesa PNP;
Form/Case: ~ TO-72 Anschlussfolge EBCs;
Daten/electr.data: I F: 3 mA; U S: 0.5 V; Isp: 30 µA; ß (beta): 40; N: 40 mW; Imax(Ic): 5 mA; Umax(Uce): -15 V; f g(FT): 1.7 GHz; tmax j: 75 °C.
Dimensions (WHD)
incl. pins / tip
6 x 6 x 6 mm / 0.24 x 0.24 x 0.24 inch
Weight 1 g / 0.04 oz
Information source - - -   
- - -   Towers IVT
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to72_ebcs_49.gif 2SA448: TVT 73
Günther Stabe † 19.8.20

Usage in Models 1= 1968 ; 1= 1970?

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

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