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481B

Information - Help 
ID = 32207
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 481B

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) Top contact with a cap
Filament Vf 2.5 Volts / If 5 Ampere / Direct / Parallel, (AC/DC)
Description HV Rectifier, 2.5 kV piv. 150 mA peak current. 
Literature - - Manufacturers Literature   
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481B: USA
John Albion

 
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481B: ARRL Handbook 1972
Michael Schlör

 
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481B: Manufacturer's Literature
Emilio Ciardiello



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