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867_Sylvania

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ID = 83586
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Thyratron   Text 
Identical to 867_Sylvania = 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
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. 980


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