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ID = 49407
Brand: Common type Europe tube/semicond.
Tube type:  Solid-State-Diode   Detector 
Identical to WN5457
Similar Tubes
Normally replaceable-slightly different:

Base Wires
Filament Solid State
Description Material/Aufbau/Pol.: Germanium Diode, Goldkontakt geschw.;
Form/Case: Allglas;
Daten/ I F: __ mA; U F: __ V; Isp: __ µA; N: __ mW; Imax: __ mA; Umax: __ V; f g(FT): __ MHz; tmax j: __ °C.
Manufactured by Valvo (D) as OA70 o.ä.
This type was new labeled WN5457 / L8011 with the SEL logo. - 
Dimensions (WHD)
incl. pins / tip
3 x 10 x mm / 0.12 x 0.39 x inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   
WN5457: Meine Sammlung
Rudolf Osterkamp

WN5457: DVT 1971 ECA
Günther Stabe


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