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4039A

Information - Help 
ID = 55374
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Thyratron 
Identical to 4039A

Base Europe 5-Pin (O5A, B5)
Was used by Industrial
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description Ia <100mA mean, 200mA peak; Va <500 peak.
Mercury Vapour tube. 30 second delay before applying Anode voltage. 
Dimensions (WHD)
incl. pins / tip
51 x 121 x mm / 2.01 x 4.76 x inch
Literature - - Manufacturers Literature   
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4039a.jpg
4039A: KG
Kevin Gregson

 


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