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ID = 31645
Tube type:  Thyratron 
Identical to 7191 = CH-1092
Similar Tubes
Different maximum ratings:
Different connections:
First Source (s)
31.Mar.1958 : Electron Tube Registration List Release 2147

Base Miniatur-7-Pin-Base B7G, USA 1940 Top contact with a cap.
Was used by Radar
Filament Vf 6.3 Volts / If 1.8 Ampere / Indirect

Miniature hydrogen thyratron intended for use in low-power radar modulator circuits. Hard glass bulb with miniature 7-pin base and off-center plate cap.

  • 1.2 kV peak anode voltage
  • 20 A peak, 50mA average.

Developed by Chatham under the developmental designation CH-1091. Chatham, DuMont and Westinghouse known manufacturers.

Information source -- Collector info (Sammler)   
Tube Lore (I)   

7191: Manufacturer's Literature
Emilio Ciardiello

7191.png 7191: Manufacturer's Literature
Emilio Ciardiello

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Just Qvigstad

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