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R424

Information - Help 
ID = 37845
       
Country:
United States of America (USA)
Brand: Texas Instruments, Dallas
Tube type:  Transistor   RF/IF-Stage 
Identical to R424
Similar Tubes
Normally replaceable-slightly different:
  2N1177
First Source (s)
Mar.1960 : -- Schematic

Base Wires
Filament Solid State
Description Material/Aufbau/Pol.: Silizium (?) PNP;
Form/Case: TO-5 (~ TO-1);
Daten/electr.data: I F: __ mA; U F: __ V; Isp: __ µA; ß (beta): __; N: __ mW; Imax(Ic): __ mA; Umax(Uce): -__ V; f g(FT): >30 MHz; tmax: __ °C.
(no data available yet)
KW HF-Verstärker. - 
Dimensions (WHD)
incl. pins / tip
9 x 7 x mm / 0.35 x 0.28 x inch
Weight 2 g / 0.07 oz
  r_424.png
  R424: Funkschau 24/63 S.685
Egon Strampe
 
to1_137.gif
R424: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20

 

Usage in Models 1= 1961? ; 1= 1962? ; 2= 1962 ; 1= 1966?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

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