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SD849B

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ID = 42744
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  Pulse magnetron 
Identical to SD849B = 3J22
First Source (s)
18.Sep.1946 : Electron Tube Registration List 520

Was used by Military and/or Government
Filament Vf 6.3 Volts / If 1.5 Ampere / Half indirect
Description Mini-magnetron, Army developmental type.
External magnet and cavity. 1050 to 1100 gauss. 4300 to 4950MHz. 1850V at 0.6A, 4us typical input pulses; 60mA average, 25000pps max repetition rate. 80W peak output power. 
Information source Tube Lore (I)   

Collection of

 
sd849b_3j22_a.jpg

SD849B
 

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