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ID = 35508
Brand: COSEM (C.O.S.E.M.); 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:
Predecessor Tubes SFT130  

Base Wires

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);

Information source -- Collector info (Sammler)   Towers ITVL

tvt_24a_1.gif SFT131: TVT 1979/80 ECA
Günther Stabe † 19.8.20

More ...
SFT131: KTT 4.Aufl. Franzis-Verlag
Heinz Höger

Usage in Models 1= 1962 ; 1= 1963 ; 1= 1965??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of



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