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ID = 34897
United States of America (USA)
Brand: Electrons Inc.; Newark, NJ
Tube type:  Half-Wave Vacuum Rectifier   Universal 
Identical to 4B30 = CV934 = 8023_USA = 15R

Base SPECIAL TUBEBASE in general Top contact with a cap.
Was used by Radar
Filament Vf 5 Volts / If 4 Ampere / Direct

HV rectifier; gridless 15E, all glass. 20KV PIV, 30mA.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
35 x 69 x 59 mm / 1.38 x 2.72 x 2.32 inch
Weight 25 g / 0.88 oz
Information source Tube Lore (I)   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   p. 34

15r_1.png 4B30
Emilio Ciardiello


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