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270A

Information - Help 
ID = 16983
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Transmitting Triode, air cooled 
Identical to 270A

Base SPECIAL TUBEBASE in general (Codex=sp) Top contact with a cap
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 9.75 Ampere / Direct
Description

Radiation cooled, 350W plate dissipation; mu 16, 7.5MHz. Thoriated tungsten filament. Double ended stepped bulb.
Made by Amperex and WE.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
Tube Lore (I)
 
270a_pic.jpg
270A: Electronics, October 1932
Achim Dassow

 
270a_sock.png
270A: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 

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