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RYB551

Information - Help 
ID = 80636
       
Country:
United States of America (USA)
Brand: Rawls & Co., W.C.; Norfolk, VA
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to RYB551 = UY551 = 551 = 51
Similar Tubes
Normally replaceable-slightly different:
  235 ; 35

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 123 x 45 mm / x 4.84 x 1.77 inch
Weight 48 g / 1.69 oz
Information source Radio Craft   June 1932
 
551~~1.png
RYB551: Fin Stewart
Fin Stewart

 

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