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2SD75

Information - Help 
ID = 35649
       
Country:
Japan
Brand: Hitachi Ltd.; Tokyo
Tube type:  Transistor   Audio Frequency 
Identical to 2SD75
Similar Tubes
Other base and data slightly different:
  2T65
First Source (s)
Mar.1957 : -- Collector info (Sammler)

Base Wires
Filament Solid State
Description Material/Aufbau: Germanium Legierung NPN;
Form/Case: TO-1;
Daten/electr. data: I F: 1 mA; U F: 6 V; I sp: 14 µA; ß (beta/hfe): 40; N: 150 mW; Imax(Ic): 100 mA; Umax(Uce): 25 V; fg (FT): 4 MHz; tmax j: 85 °C;
Variante: 2SD75A = Umax: 40 V.
- - 
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 -- Collector info (Sammler)   KTT 1969/70
 
2sd75.jpg
2SD75: my tube
Daniel Rosha

 
to1_ttt_180.gif
2SD75: TTT Steidle 1981
Günther Stabe † 19.8.20

 

Usage in Models 1= 1963? ; 1= 1967

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


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