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ID = 27473
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Electrometer Triode   Text 
Identical to ME1401 = 4065 = VX32B = 5802
Similar Tubes
Normally replaceable-slightly different:
  CV2269 ; CV495 ; VX32 ; VX8049

Filament Vf 1.25 Volts / If 0.013 Ampere / Direct / Parallel, (AC/DC)
Description Subminiature Electrometer triode. Base is B5J/F (wire ended). Centre wire is grid. Grid current <10 ^-13 A. 
Dimensions (WHD)
incl. pins / tip
10 x 47 x 10 mm / 0.39 x 1.85 x 0.39 inch
Information source -- Original-techn. papers.   
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ME1401: scc
Christian Schaufelberger

ME1401: rtt
Michael Schlör

ME1401: Manufacturer's Literature
Emilio Ciardiello

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