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ESG250

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ID = 29875
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Transmitting Tetrode, air cooled   Power/Output 
Identical to ESG250
Similar Tubes
Normally replaceable-slightly different:
  SG250

Base Wires Wires only.
Was used by Transmittertube (Radio)
Filament Vf 11.25 Volts / If 8 Ampere / Direct
Description

Pa <250W, Va <5000.

Earlier (1930s?) manufacturer's data gives Va <2000 and Heater current of 4A For this type, see other datasheet.

 
Dimensions (WHD)
incl. pins / tip
110 x 360 x mm / 4.33 x 14.17 x inch
Weight 907 g / 31.99 oz
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 458
- - Manufacturers Literature   Data sheet August 1948

esg250.png
ESG250: own collection
Peter den Boer

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