radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

3B/200B

Information - Help 
ID = 34241
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 3B/200B = T20G
Similar Tubes
Other base:
  VT47
First Source (s)
Mar.1939 : - - Manufacturers Literature Tentative data
Predecessor Tubes VLS417B  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Transmittertube (Radio)
Filament Vf 6 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
65 x 163 x mm / 2.56 x 6.42 x inch
Weight 170 g / 6.00 oz
Information source - - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia   p. 172 & 173

3b200b_so.png 3B/200B: rtt
Anonymous 10 Collector


Just Qvigstad
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information