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ER281

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ID = 73749
       
Country:
United States of America (USA)
Brand: Eveready (Ever Ready), AENMC / National Carbon Company (NCC); Columbia
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to ER281 = UX281 = CX381 = ER81 = 481

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct / Specified voltage AND current AC/DC
Dimensions (WHD)
incl. pins / tip
x 145 x 60 mm / x 5.71 x 2.36 inch
Weight 63 g / 2.22 oz
Information source Radio Engineering   Advert June 1929

81~~7.png ER281: Fin Stewart
Fin Stewart


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