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282A

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ID = 22967
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Transmitting Tetrode, air cooled 
Identical to 282A
Similar Tubes
Normally replaceable-slightly different:
  4282B
Other class quality (otherwise equal):
  282B
Base UX-Base (4 Pins (2 thick, USA 1924, UX) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3 Ampere / Direct / Specified voltage AND current AC/DC
Description

Hard-glass S19 bulb on bakelite base. According to Sibley it was originally supplied with centered cap. Then re-designed with off-center plate cap to simplify and strenhgthen internal construction. Photos show both versions.
Taylor, Sylvania and obviously WE known manufacturers.

  • 70 W anode power dissipation
  • 1.4 mS Gm
  • 30 MHz
 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   Ratheiser, Röhrenhandbuch, 1948
Tube Lore (I)
282a_so.png 282A
Anonymous 10 Collector
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Just Qvigstad 		282ad.png
282A: KoBi
Konrad Birkner † 12.08.2014
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Collection of

Emilio Ciardiello (I)
 
282a_01r~~1.jpg

282A
 

Variants

Center top cap, as in the datasheet loaded to the 282A.
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