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ID = 27782
United States of America (USA)
Brand: General Electric Co. (GE); Bridgeport CT, Syracuse NY
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Thyratron   Power-supply 
Identical to 5728 = FG67

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) Top contact with a cap.
Was used by Industrial
Filament Vf 5 Volts / If 4.5 Ampere / Indirect
Description 1000V PIV, 2.5A average. This tube is a mercury vapour thyratron with an intermediate control characteristic. The tube is particularly designed for use in inverter circuits where a short deionization time is required. 
Dimensions (WHD)
incl. pins / tip
x 74 x 169 mm / x 2.91 x 6.65 inch
Weight 125 g / 4.41 oz
Information source Essential Characteristics, GE 1973   

fg67_2.png 5728: Manufacturer's Literature
Emilio Ciardiello

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