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249B

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ID = 6849
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 249B
Similar Tubes
Normally replaceable-slightly different:
  249A ; 249C
Other base:
  258B

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Brr) Top contact with a cap.
Was used by Industrial
Filament Vf 2.5 Volts / If 7.5 Ampere / Direct
Description

Amperex, Taylor and WE known manufacturers. WE version redesigned with a shielded filament
Amperex and WE claim 7.5KV PIV, 640mA; Taylor claims 10KV PIV.

 
Dimensions (WHD)
incl. pins / tip
x 174 x 63 mm / x 6.85 x 2.48 inch
Tube prices 1 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 237
Babani, International Radio Tube Encyclopaedia   
Tube Lore (I)
Taschenbuch zum Röhren-Codex 1948/49

249b_sock.png 249B: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad
249b_1.png
249B: Manufacturer's Literature
Emilio Ciardiello

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Usage in Models 1= 1937?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
249.jpg

249B
 

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