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E5000/05

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ID = 30037
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Thyratron 
Identical to E5000/05 = 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 changein negative grid vltage. It requires relatively little grid power and is suitqble for use in relay circuits where current flow is desired in the absence of grid exitation.

 
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 546, p. 1143


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