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25Y5

Information - Help 
ID = 3297
       
Country:
United States of America (USA)
Brand:
Tube type:  High-vacuum Rectifier   Power-supply 
Identical to 25Y5 = CV942
Similar Tubes
Normally replaceable-slightly different:
  U31_USA
Different maximum ratings:
  25Z5
First Source (s)
07.Nov.1934 : Electron Tube Registration List
Successor Tubes 25Z6G  

Base 6-Pin-Base U6A, old, USA (Codex=K)
Was used by Radio/TV-reception etc.
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Description

Similar to 25Z5 but intended for export sets, with anode to cathode spacing increased to safely handle 220 V AC main supply.

Whith two independed diodes to be used as voltage doubler or for higher current.
NOT intended as full wave rectifier. [JR]

 
Text in other languages (may differ)
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
British Radio Valves - The Classic Years: 1926-1946   Supplement, p. 141
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49

25y5.png
25Y5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

25y5_so.png 25Y5: ARRL Handbook 1972
Anonymous 10 Collector

More ...

Just Qvigstad
25z6_1.png
25Y5: Manufacturer's Literature
Emilio Ciardiello

More ...
Usage in Models 1= 1933?? ; 1= 1933 ; 5= 1934 ; 1= 1935?? ; 1= 1935? ; 18= 1935 ; 1= 1936? ; 8= 1936 ; 2= 1937?? ; 1= 1937? ; 8= 1937 ; 1= 1938? ; 2= 1938 ; 1= 1939? ; 9= 1939 ; 2= 1940?? ; 1= 1940? ; 5= 1940 ; 1= 1945?? ; 1= 1946 ; 1= 1948?? ; 4= 1948 ; 9= 1950?? ; 1= 1951?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):85

Collection of

 
25y5.jpg

25Y5
 

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