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ID = 19042
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Thyratron 
Identical to PL17 = 5557 = XG5-500 = FG17

Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact with a cap.
Was used by Industrial
Filament Vf 2.5 Volts / If 5 Ampere / Direct

This tube is a negative control mercury vapor thyratron for use where it is desired to actuate the tube with a change in negative grid voltage. It requires relatively little grid power and is suitablee for use in relay circuits where current flow is desired in the absence of grid exitation.

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Tube prices 3 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 90
Babani, International Radio Tube Encyclopaedia   p. 306 &307
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

pl17_so.png PL17: Valvo Röhrentaschenbuch 1957
Anonymous 10 Collector

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Just Qvigstad
PL17: Valvo Röhrentaschenbuch 1957
Anonymous 10 Collector

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