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F872B

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ID = 83612
       
Country:
United States of America (USA)
Brand: Federal Radio Corp. / Federal Telephone & Telegraph Co.; Buffalo, NY
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to F872B = 872A

Base Jumbo 4-pin bayonet (1918) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 5 Volts / If 6.75 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
x 238 x 64 mm / x 9.37 x 2.52 inch
Information source Tube Lore (II)   p. 80
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   section 66, p. 89

4at_10~~8.png F872B: Fin Stewart
Fin Stewart


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