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2N544

Information - Help 
ID = 37259
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Transistor   RF/IF-Stage 
Identical to 2N544
Similar Tubes
Normally replaceable-slightly different:
  AF126 ; OC170
First Source (s)
Sep.1957 : -- Collector info (Sammler)

Base Wires
Filament Solid State
Description

Material/Aufbau/Pol.: Germanium diff. PNP;
Form/Case: TO-7;
Daten/electr.data: I F: 1 mA; U F: -1 V; Isp: 16 µA; ß (beta): 60; N: 80 mW; Imax(Ic): 10 mA; Umax(Ucb): -18 V; Umax(Uce): -__ V; f g(FT): >12 MHz; tmax j: 85 °C.
Varianten: 2N544/12 = beta: 20-175, 2N544/33 = TO-5, Daten s.o.;
Austauschtyp: RS1554
Zenith Part No.: 121-63, 121-78, ...
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Dimensions (WHD)
incl. pins / tip
9 x 9 x mm / 0.35 x 0.35 x inch
Weight 1 g / 0.04 oz
Literature -- Collector info (Sammler)   KTT 1969/70, Towers ITVL
 
to7_tvt_30.gif
2N544: TVT 73
Günther Stabe

 

Usage in Models 1= 1957?? ; 4= 1958 ; 6= 1959? ; 9= 1959 ; 2= 1960? ; 6= 1960 ; 2= 1961 ; 1= 1963?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):31

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