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ID = 33783
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  TWT, Travelling wave tube   SHF/EHF (>3 GHz) 
Identical to W7/2D = CV2188

Base Octal (Int.Octal, IO) K8A, USA 1935 Sidecontact and top contact.
Filament Vf 6.3 Volts / If 0.95 Ampere / Half indirect / Specified voltage AC/DC
Description Frequency range: 3600 to 4200MHz; gain 20dB at 14mA collector current and 3KV helix voltage. 
Dimensions (WHD)
incl. pins / tip
67 x 444 x mm / 2.64 x 17.48 x inch
Information source - - Manufacturers Literature   
W7/2D: Manufacturer's Literature
Emilio Ciardiello

More ...
W7/2D: Manufacturer's Literature
Emilio Ciardiello

More ...

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