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T4D

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ID = 28631
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Signal Diode - one single system 
Identical to T4D
Similar Tubes
Normally replaceable-slightly different:
  2B36 ; QF196
Other class quality (otherwise equal):
  CV1078

Base 3 pin wires in line (1937, B3G) Wires only.
Filament Vf 4 Volts / If 0.2 Ampere
Description

<50V <5mA. "for TV" Mullard data

 
Information source - - Manufacturers Literature   


Just Qvigstad
t4d.png
T4D: Mullard Maintenance Manual 1954
Achim Dassow

 

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