Antique radios, Old Time Radios
SFT131
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Country:
France
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| 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
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| 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);
-
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| Information source |
-- Collector info (Sammler) Towers ITVL
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SFT131: TVT 1979/80 ECA
Günther Stabe † 19.8.20
More ...
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SFT131: KTT 4.Aufl. Franzis-Verlag
Heinz Höger
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
Collection of
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