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2SB74

Information - Help 
ID = 46688
       
Country:
Japan
Brand: Hitachi Ltd.; Tokyo
Tube type:  Transistor   Audio Frequency 
Identical to 2SB74
Similar Tubes
Normally replaceable-slightly different:
  2SB54 ; 2SB56 ; AC125 ; AC126 ; AC151
Predecessor Tubes 2S148  

Base Wires
Filament Solid State
Description Material/Aufbau/Pol.: Germanium Legierung PNP;
Form/Case: TO-1;
Daten/electr.data: I F: 1 mA; U S: 0.3 V; Isp: <14 µA; ß (beta): 48; N: 80 mW; Imax(Ic): 15 mA; Umax(Uce): -16 V; f g(FT): 2 MHz; tmax j: 75 °C.
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 1 g / 0.04 oz
Literature
 
2sb74.jpg
2SB74: Michael Gnaedig
Michael Gnaedig-Fischer

 
to1_ttt_259.gif
2SB74: TTT Steidle 1981
Günther Stabe

 

Usage in Models 1= 1960?? ; 1= 1960? ; 1= 1961?? ; 1= 1964?

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


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