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30

Information - Help 
ID = 3105
       
Country:
United States of America (USA)
Brand:
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Triode, vacuum   Universal 
Identical to 30 = 230 = CX330 = RCA30 = RCA230 = ER30 = 30S = 130_Arcturus = T-31_triad = NX-230 = CX30 = NU-30 = 430 = ER230 = UX230 = X230 = C-230 = T-30 = PH230 = VT-27
Similar Tubes
Other shape (e.g. bulb type):
  G-30
Normally replaceable-slightly different:
  130_Triode ; FP-59 ; FP59 ; SE-3872 ; SX230 ; UF-109A
Other class quality (otherwise equal):
  1230 ; 38030
Other characteristic (electr. data):
  MC300R
Different connections:
  t-30-s
Other base:
  1H4G
First year 1930 Radios von gestern, 2. Auflage
First Source (s)
Sep.1930 : Saga of the Vacuum Tube, Tyne p.329,330
Successor Tubes 1230   1H4G  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Description

Typ:- Va=90; Ia=2.5mA; Vg=-4.5; gm=0.85mA/V.
Operation at Va<135V permissible

 
Dimensions (WHD)
incl. pins / tip
41 x 91 x mm / 1.61 x 3.58 x inch
Tube prices 4 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 26 & 182
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49

30.png
30: Courtesy Bureau Belper (De Muiderkring, Bussum)
Anonymous 10 Collector

171_12.png 30: Telefunken Werkstattbuch
Wolfgang Bauer

More ...

Just Qvigstad
30_techdat01.png
30: Sylvania Technical Manual
Peter Hoddow

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Usage in Models 5= 1930?? ; 2= 1930? ; 21= 1930 ; 4= 1931?? ; 10= 1931? ; 31= 1931 ; 2= 1932?? ; 23= 1932? ; 36= 1932 ; 9= 1933?? ; 9= 1933? ; 67= 1933 ; 14= 1934?? ; 12= 1934? ; 131= 1934 ; 31= 1935?? ; 25= 1935? ; 170= 1935 ; 47= 1936?? ; 15= 1936? ; 160= 1936 ; 27= 1937?? ; 16= 1937? ; 95= 1937 ; 26= 1938?? ; 4= 1938? ; 52= 1938 ; 22= 1939?? ; 7= 1939? ; 29= 1939 ; 13= 1940?? ; 5= 1940? ; 9= 1940 ; 8= 1941?? ; 5= 1941? ; 5= 1941 ; 2= 1942?? ; 1= 1942? ; 1= 1942 ; 1= 1943 ; 1= 1946? ; 3= 1946 ; 2= 1950 ; 1= 9999? ; 5= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1164

Collection of

 
cdn_westinghouse_30_tube.jpg

30
 

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