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25Z5MG

Information - Help 
ID = 7363
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Triad Television & Mfg. Co.; Pawtucket, RI 
Tube type:  High-vacuum Rectifier   Power-supply 
Identical to 25Z5MG
Similar Tubes
Other shape (e.g. bulb type):
  25Z6
Other base:
  25Z5 ; M25Z5
First Source (s)
08.Jul.1935 : Electron Tube Registration List 34
Predecessor Tubes 25Z5  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Series, AC/DC
Description Whith two independed diodes to be used as voltage doubler or higher current.
NOT intended as full wave rectifier. [JR]
Glass bulb inside a metal envelope. 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
317_4.png
25Z5MG: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 2= 1935? ; 5= 1936? ; 1= 1936 ; 1= 1939?? ; 1= 1940??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10

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