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25Z3

Information - Help 
ID = 7359
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 25Z3

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=B)
Was used by Radio/TV-reception etc.
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Taschenbuch zum Röhren-Codex 1948/49   
  25z3.png
  25Z3: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
425_5.png
25Z3: Telefunken Werkstattbuch
Wolfgang Bauer

 
25z3_data.png
25Z3: Funkschau Taschenbuch H.Monn, 1948
Michael Schlör


from Just Qvigstad

Usage in Models 1= 1933? ; 1= 1935 ; 1= 1936?? ; 1= 1936? ; 2= 1938?? ; 1= 1938 ; 2= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9

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