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SFT131

Information - Help 
ID = 35508
       
Country:
France
Brand: COSEM; Saint-Egrève
Tube type:  Transistor   Power/Output 
Identical to SFT131
Similar Tubes
Other shape (e.g. bulb type):
  AC128 ; AC153 ; AC188 ; AC193
Normally replaceable-slightly different:
  OC74
Predecessor Tubes SFT130  

Base Wires
Filament Solid State
Description

Material/Aufbau/Pol.: Germanium Legierung PNP;
Form/Case/Outline: MS5 spezial, Anschlussfolge BCE, C an Gehäuse, E=Farbpunkt, Montage mit diagonaler Verschraubung (SF.T131);
Daten/electr. data: I F: 250 mA; U F: -1 V; Isp: 20(30) µA; ß (beta): 70; N: 1.33 W; Imax(Ic): 500 mA; Umax (Ucb): -24(-30) V; Umax(Uce): -20 (-15) V; f g (FT): 2 MHz; tmax j: 75 °C.
Variante: SFT131P, abweichende Werte in Klammern.
COSEM: eventuell schwarz lackiert (mit Punkt); Bulgarien-Lizenz: unlackiert: SFT131 (ohne Punkt);
-

 
Literature -- Collector info (Sammler)   Towers ITVL
 
sft131p_csf.jpg
SFT131: Collection G.Duperray
Gérard Duperray

 
tvt_24a_1.gif
SFT131: TVT 1979/80 ECA
Günther Stabe

 
sf_t_131_dat.png
SFT131: KTT 4.Aufl. Franzis-Verlag
Heinz Höger


Usage in Models 1= 1962 ; 1= 1965??

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


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