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OA257

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ID = 50566
       
Country:
Germany
Brand: SAF Süddeutsche Apparate-Fabrik; Nürnberg
Tube type:  Solid-State-Diode   Detector 
Identical to OA257
Predecessor Tubes DS1606  

Base Wires
Description Material/Aufbau: Germanium Punktkontakt;
Form/Case: Allglas;
Daten/electr.data: I F: 15 mA; U F: 1 V; I sp: 50 µA; U sp: 10 V; Imax: __ mA; Umax: 25 V; tmax j: __ °C;
Dimensions (WHD)
incl. pins / tip
4 x 14 x mm / 0.16 x 0.55 x inch
Weight 1 g / 0.04 oz
Information source - - -   
-- Collector info (Sammler)   KTT 1969/70
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oa_257.png
OA257: Funkschau 23/63 S.659
Egon Strampe

do29_196.gif OA257
Günther Stabe † 19.8.20

oa257_dat.png
OA257: KTT 4.Aufl. Franzis-Verlag
Heinz Höger

Usage in Models 1= 1958?? ; 2= 1960 ; 1= 1961? ; 8= 1961 ; 1= 1962

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13

Collection of

Collection of a member from FIN
 
oa257.jpg

OA257
 

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