35, Tube 35; Röhre 35 (35)

Antique radios, Old Time Radios

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Screen-grid Tetrode RF/IF-Stage Controlling (mu)

Tube ID = 2662


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Identical to	35 = 35/51 = 235 = 251 = UY-235 = A235 = RENS351 = 435 = 51 = VT-35
Similar Tubes	151 (can normally be replaced - small diff'ce) 51S (can normally be replaced - small diff'ce)
First Series	1931 -- Collector info (Sammler)
First Source (s)	Jun.1931 : -- Collector info (Sammler)
Successor Tubes	35/51

Base	UY-Base, 5 Pins (USA, April 1927) (Codex=Ha)
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Parallel, (AC/DC) / If: 1.7 Ampere / Vf 2.5 Volts /
Tube prices	0 Tube prices (visible for members only)
Literature	Babani, International Radio Tube Encyclopaedia Taschenbuch zum Röhren-Codex 1948/49


	Internet Miguel Angel Trujillo-Rodriguez

Patrice ZEISSLOFF
Patrice Zeissloff

Telefunken Werkstattbuch
Wolfgang Bauer

Cunningham Radiotron Manual
Peter Hoddow

Usage in Models	7= 1929? ; 2= 1929 ; 3= 1930?? ; 6= 1930? ; 2= 1930 ; 5= 1931?? ; 57= 1931? ; 308= 1931 ; 26= 1932?? ; 195= 1932? ; 158= 1932 ; 7= 1933?? ; 9= 1933? ; 17= 1933 ; 1= 1934?? ; 4= 1934? ; 2= 1934 ; 1= 1935?? ; 2= 1936? ; 1= 1936 ; 1= 1938?? ; 2= 1956? ; 2= 1956 ; 2= 1957? ; 2= 1958 ; 1= 9999? ; 18= 9999 ;
Number of Models with this tube 841

Further Information for

35

35 naming conventions (13.10.2005) John Hupse	Clicks: 501 Replies: 5
The "35" tetrode was introduced in May 1931 by RCA as the "RCA-235". Not in 1935. It is the world's first variable-mu tetrode. A few month later Philips introduced the European version, the E455. The number "1", "2", "3" or "4" etc. before the type number (e.g. 235 instead of 35) was used to indicate the brand. In the RMorg database this additional number is used in a rather arbitrary fashion. A more concise method is to use a 2-digit model number for these tubes. So do not use "301A" or "UX201A", use "01A". Do not use "235" or "RCA235" or "435" but use "35". This will be easier for the database user (the Collector) and easier for the database administrator. More ...

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