radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

GF139

Information - Help 
ID = 36228
       
Country:
Germany
Brand: Werk für Bauelemente der Nachrichtentechnik (WBN), Teltow, VEB, RFT (Ostd.) - vorm. DRALOWID
Developer: Werk für Bauelemente der Nachrichtentechnik (WBN), Teltow, VEB, RFT (Ostd.) - vorm. DRALOWID 
Tube type:  Transistor   RF/IF-Stage 
Identical to GF139
First Source (s)
Mar.1967 : -- Collector info (Sammler)
Base Wires
Description

Material/Aufbau/Pol.: Germanium Fläche PNP;
Form/Case/Outline: TO-72-L Anschlussfolge BECs;
Daten/electr.data: I F: 1 mA; U F: -6 V; Isp: <7.5 µA; ß (beta): >40; N: __ mW; Imax(Ic): 10 mA; Umax(Ucb): -25 V; Umax(Uce): -20 V; f g(FT): >10 (<200) MHz; tmax j: 75 °C.
Später in HWF/HFO (Halbleiterwerk Frankfurt/Oder) gebaut.
-

 
Dimensions (WHD)
incl. pins / tip		 6 x 10 x 6 mm / 0.24 x 0.39 x 0.24 inch
Weight 1 g / 0.04 oz
d_gf139_sch.gif
GF139: Hersteller
Andreas Hahn
to72_be.gif GF139: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20
More ...
Usage in Models 1= 1967 ; 1= 1968? ; 18= 1968 ; 3= 1969? ; 6= 1969 ; 1= 1970? ; 3= 1970 ; 1= 1971?? ; 3= 1971 ; 1= 1972? ; 2= 1973? ; 1= 1973
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):41

Collection of

Egon Strampe (D)
Michael Mischke (D)
 
gf139.jpg

GF139
 
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
Data Compliance More Information