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TB2/250

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ID = 52542
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Transmitting Triode, air cooled   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to TB2/250
Similar Tubes
Normally replaceable-slightly different:
  UV204A
Base Pin-and-blade jumbo (3 contacts) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 11 Volts / If 3.8 Ampere / Direct
Description

This tube was also available with a screw type top cap.

 
Dimensions (WHD)
incl. pins / tip		 110 x 375 x mm / 4.33 x 14.76 x inch
Information source - - Manufacturers Literature   
- - Manufacturers Literature   1927 transmitting tube catalogue
-- Collector info (Sammler)
pin_and_blade_base_jumbo_triode~~35.png TB2/250: Fin Stewart
Fin Stewart

Just Qvigstad 		tb2-250eng1.png
TB2/250: own collection
Peter den Boer
More ...
Usage in Models 1= 1936
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

Rudolf Osterkamp (D)
 
philipstb2250.jpg

TB2/250
 
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