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ID = 5855
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 5641 = CV473 = EY70 = SN954 = CV5211
First Source (s)
25.Feb.1948 : Electron Tube Registration List
Predecessor Tubes SN954  

Base Wires only.
Filament Vf 6.3 Volts / If 0.45 Ampere / Indirect

250 V max rms, 300 V rms with chocke input, 45 mA max DC current. Insulation between cathode and heater raised from 425 V of the first series to 450 V for the 8-pin base, since December 1948.

The 4-pin 'Jumbled' base reported in the early documentation, February 1947, was replaced by the 8-pin base 6CJ in December 1948. The photo loaded by Heinz Höger gives the evidence of production lots with the four pin base.

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Information source Essential Characteristics, GE 1973   
- - Manufacturers Literature   
5641: Heinz Höger
Heinz Höger

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5641: Essential characteristics
Peter Hoddow

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5641: Manufacturer's Literature
Emilio Ciardiello

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