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AT74

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ID = 55081
       
Country:
United States of America (USA)
Brand: RCA (RCA Victor Co. Inc.); New York (NY)
Tube type:  Transistor   Power/Output 
Identical to AT74
Similar Tubes
Different maximum ratings:
  AC128

Base Wires
Was used by Radio/TV-reception etc.
Description Material/Aufbau/Pol.: Germanium Legierung PNP;
Form/Case/Outline: TO-1;
Daten/electr.data: I F: 10 mA; U F: 2 V; Isp: <12 µA; ß (beta): >90; N: 200 mW; Imax(Ic): 300 mA; Umax(Uce): -20 V; f g(FT): 1.5 MHz; tmax j: 90 °C;
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 1 g / 0.04 oz
Information source

to-1_ttt_5.gif AT74
Günther Stabe † 19.8.20

Usage in Models 1= 1963 ; 2= 1964

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
 

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