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GFT20

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ID = 34341
       
Country:
Germany
Brand: TeKaDe (TKD), Süddeutsche Telefon-Apparate- Kabel- und Drahtwerke; Nürnberg
Tube type:  Transistor   Audio Frequency 
Identical to GFT20
Similar Tubes
Normally replaceable-slightly different:
  GFT-3V3 ; GFT-3V4 ; OX7001 ; OX7003 ; SFT153
Different maximum ratings:
  OC70
First Source (s)
Mar.1957 : -- Collector info (Sammler)
Base Wires
Description Material/Aufbau/Pol.: Germanium Flächen PNP;
Form/Case/Outline: ~ TO-1;
Daten/electr.data: I F: 1 mA; U F: 3 V; Isp: 10 µA; ß (beta): >25; N: 50 mW; Imax(Ic): 10 mA; Umax(Uce): -10 V*; f g(FT): 0.8 MHz; tmax j: 45 °C.
Listenpreis (MIRA) 1959: DM 10.20;
Varianten: GFT20/6, GFT20/15, GFT20/30 : Zahl nach dem Schrägstrich = Umax*
- 
Dimensions (WHD)
incl. pins / tip		 6 x 9 x mm / 0.24 x 0.35 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1979/80
gft20.png
GFT20
Egon Strampe
gft20_21_s.png GFT20: TeKaDe
Günther Stabe † 19.8.20
gft20.png
GFT20: TKD_Datenblatt im Original
Hans M. Knoll
Usage in Models 2= 1957 ; 1= 1958? ; 7= 1958 ; 6= 1959 ; 1= 1960 ; 1= 1961 ; 1= 1963
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):19

Collection of

Günther Stabe † 19.8.20 (D)
Hans M. Knoll (D)
Rudolf Osterkamp (D)
Collection of a member from D
Siegfried Neumann (D)
 
d_tekade_gft20.jpg

GFT20
 
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