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ER247

Information - Help 
ID = 73747
       
Country:
United States of America (USA)
Brand: Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Vacuum Pentode   Power/Output 
Identical to ER247 = UY247 = C347 = 447 = 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, (AC/DC defined voltage)
Dimensions (WHD)
incl. pins / tip
x 137 x 54 mm / x 5.39 x 2.13 inch
Weight 68 g / 2.40 oz
Information source -- Collector info (Sammler)   
 
screenshot_20190924_064221_ebay.jpg
ER247: Ebay item 312756684074
Robert Gillespie

 
47~~1.png
ER247: Fin Stewart
Fin Stewart

 

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