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KR47

Information - Help 
ID = 30422
       
Country:
United States of America (USA)
Brand: Ken-Rad, The Kentucky Radio Corporation; Owensboro, KY
Developer: BTH (B.T.H.), British Thomson-Houston Co, Ltd. 
Tube type:  Vacuum Pentode   Power/Output 
Identical to KR47 = UY247 = 247 = 47

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Direct / Parallel / series AC/DC
Dimensions (WHD)
incl. pins / tip
x 137 x 54 mm / x 5.39 x 2.13 inch
Weight 70 g / 2.47 oz
Literature Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 203, page 402
 
47_copy.png
KR47: Fin Stewart
Fin Stewart

 

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