Antique radios, Old Time Radios

25Z5

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	High-vacuum Rectifier Power-supply

Tube ID = 3100


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Identical to	25Z5 = 25Y5
Similar Tubes	Different maximum ratings: 25RE; 25Z5NG Other base: 25Z6; 25Z6G
First Source (s)	Feb.1933 : 70 Years of Radiotubes and V.
Successor Tubes	25Z6G 25Z6 25Z6GT

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 / -: Series, AC/DC /
Description	Whith two independed diodes to be used as voltage doubler. NOT intended as full wave rectifier. [JR] Text in other languages (may differ)
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

TreLe
Trev Levick

Telefunken Werkstattbuch
Wolfgang Bauer

Sylvania Technical Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)

1= 1930?? ; 1= 1931? ; 1= 1931 ; 4= 1932?? ; 20= 1932? ; 4= 1932 ; 23= 1933?? ; 45= 1933? ; 140= 1933 ; 29= 1934?? ; 26= 1934? ; 138= 1934 ; 53= 1935?? ; 35= 1935? ; 147= 1935 ; 47= 1936?? ; 49= 1936? ; 171= 1936 ; 89= 1937?? ; 59= 1937? ; 179= 1937 ; 100= 1938?? ; 42= 1938? ; 148= 1938 ; 71= 1939?? ; 29= 1939? ; 83= 1939 ; 41= 1940?? ; 9= 1940? ; 18= 1940 ; 21= 1941?? ; 6= 1941 ; 15= 1942?? ; 9= 1942? ; 2= 1942 ; 1= 1943 ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1908

Further Information for

25Z5

25Z5 (25Z5) (14.08.2007) Reinhard Hanschke	Clicks: 219 Replies: 0
Neupreis 1938: 53,00 FFR. Lit.: Catalog der Fa. MANUFRANCE (MF) von 1938.

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