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OA9

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ID = 34054
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Solid-State-Diode   Universal 
Identical to OA9
Similar Tubes
Normally replaceable-slightly different:
  AA139
Different maximum ratings:
  AA135 ; AA136 ; OA180 ; OA7
First Source (s)
Mar.1956 : Valvo-Berichte
Base Wires
Description Material/Aufbau: Germanium Golddrahtdiode;
Form/Case/Outline: Allglas ~ R-9;
Daten/electr.data: I F: 10 mA; U F: 0.33 V; I sp: 1.5 µA; U sp: 10 V; Imax: 270 mA; Umax: 25 V; tmax j: 75 °C.
- 
Dimensions (WHD)
incl. pins / tip		 5 x 15 x mm / 0.20 x 0.59 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70, DVT 1971
oa_9.png
OA9: Funkschau 3/62 S.60
Egon Strampe
sod6_1.gif OA9: TVT 1969 Verlag Nolde Dachau
Günther Stabe † 19.8.20
d_valvo_oa9.png
OA9: Valvo_Dioden_Transistoren_1959
Thomas Günzel † 1.8.22
Usage in Models 1= 1962?? ; 1= 1963? ; 4= 1963 ; 4= 1965 ; 4= 1966 ; 2= 1970?? ; 1= 1972
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):17

Collection of

Museum Roggenhofer (A)
Andrew Wylie (GB)
Glenn Moeller-Holst (DK)
Oskar Elm (D)
Karlheinz Fischer (D)
Günter Kudicke (D)
 
oa9_1.jpg

OA9
 
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