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ID = 4750
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Thyratron 
Identical to 6D4 = CV1949 = EN93 = AFX212
First Source (s)
10.Mar.1944 : Electron Tube Registration List 373

Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zi)
Filament Vf 6.3 Volts / If 0.25 Ampere / Indirect / Parallel, (AC/DC)
Description Also used as white noise generator up to some 20MHz, as in the Gen-Rad 1390B. 
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  6D4: Internet
Miguel Angel Trujillo-Rodriguez
6D4: Private collection
Emilio Ciardiello

6D4: ARRL Handbook 1972
Michael Schlör

6D4: Sylvania Technical Manual
Peter Hoddow

from Just Qvigstad

Usage in Models 1= 1963?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Documents about this component
  Sylvania Engineering Data Service for 6D4 716 KB

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