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CE-309

Information - Help 
ID = 83578
       
Country:
Canada
Brand: Continental (tube brand) - see also Westinghouse
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Thyratron 
Identical to CE-309 = FG17 = 5557

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
Description

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 suitable for use in relay circuits where current flow is desired in the absence of grid exitation.

 
Information source Tube Lore (II)   p. 90 & 152
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 546, p. 1143
 
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CE-309: Fin Stewart
Fin Stewart

 

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