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2T77

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ID = 80034
       
Country:
Japan
Brand: Sony Corporation; Tokyo
Tube type:  Transistor   Audio Frequency 
Identical to 2T77
Similar Tubes
Normally replaceable-slightly different:
  2SC77
Successor Tubes 2SC77  

Base Wires
Description

Material/Aufbau: Germanium grown junction NPN;
Form/Case/Outline: 1957: TO-22 | >1958: R-14 (~ TO-1);
Daten/electr. data: I F: __ mA; U F: __ V; I sp: __ µA; ß (beta/hfe): __; N: __ mW; Imax (Ic): __ mA; Umax (Uce): __ V; fg (FT): __ MHz; tmax j: 75 °C;
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Dimensions (WHD)
incl. pins / tip
8 x 7 x 4 mm / 0.31 x 0.28 x 0.16 inch
Weight 1 g / 0.04 oz
Information source -- Schematic   

to_22_13~~1.gif 2T77: TTT Steidle 1981
Günther Stabe † 19.8.20

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Usage in Models 1= 1958

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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