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OA7

Information - Help 
ID = 34161
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Solid-State-Diode   Universal 
Identical to OA7 = WN5458
Similar Tubes
Normally replaceable-slightly different:
  AA135 ; AA139 ; OA180
Different maximum ratings:
  OA9
First Source (s)
Mar.1956 : Valvo-Berichte

Base Wires
Filament Solid State
Description

Material/Aufbau: Germanium Golddrahtdiode;
Form/Case/Outline: Allglas, ~ R-9;
Daten/electr.data: I F: 10 mA; U F: 0.38 V; I sp: 1.5 µA; U sp: 10 V; Imax: 140 mA; Umax: 25 V; tmax j: 75 °C.
-

 
Dimensions (WHD)
incl. pins / tip
5 x 15 x 5 mm / 0.20 x 0.59 x 0.20 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   KTT 1969/70, DVT 1971
  oa_7.png
  OA7: Funkschau 11/65 S.280
Egon Strampe
 
oa7002.jpg
OA7: Sammlung
Karlheinz Fischer

More ...
 
sod6_1_1.gif
OA7: DVT 1971 ECA
Günther Stabe † 19.8.20

 
d_valvo_oa7.png
OA7: Valvo_Dioden_Transistoren_1959
Thomas Günzel



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