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ID = 46209
Tube type:  Thyratron 
Identical to 7191H = 8653
Similar Tubes
Different maximum ratings:

Base Miniatur-7-Pin-Base B7G, USA 1940 Top contact with a cap.
Filament Vf 6.3 Volts / If 1.8 Ampere / Indirect
Description 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. 1.2KV peak anode voltage, 20A peak, 50mA average.
Improved anode insulation for high-altitude operation. 
Information source Tube Lore (I)   
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7191H: Manufacturer's Literature
Emilio Ciardiello

7191_1.png 7191H: Manufacturer's Literature
Emilio Ciardiello

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