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ID = 22273
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 5R4WGB = CV5181
Similar Tubes
Normally replaceable-slightly different:
Other class quality (otherwise equal):

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Military and/or Government
Filament Vf 5 Volts / If 2 Ampere / Direct

Ruggedized rectifier, hard glass with silicon rubber shock mount in a skirted base, capable of operation up to 60.000 ft.

840 volt output at 165 mA or 500 volt at 275 mA.

Similar to 5R4WGA but with improved production procedures and stabilization cycles.

Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   
5R4WGB: scc
Christian Schaufelberger

5R4WGB: ARRL Handbook 1972
Michael Schlör

5R4WGB: Manufacturer's Literature
Emilio Ciardiello

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