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1B3

Information - Help 
ID = 18638
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 1B3 = 1B3GT
Similar Tubes
Normally replaceable-slightly different:
  R-3A3

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 1.25 Volts / If 0.2 Ampere / Direct
  1b3.gif
  1B3: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
1b3_ansicht1.jpg
1B3: PR
Peter Roggenhofer † 25.4.18

 
1b3_so.png
1B3: ARRL Handbook 1972
Michael Schlör

 
1b3_dat.png
1B3: elektron taschenbuch 1952
Heinz Höger


from Just Qvigstad

Usage in Models 1= 1948? ; 4= 1948 ; 3= 1949? ; 12= 1949 ; 4= 1950? ; 2= 1950 ; 1= 1951? ; 1= 1951 ; 1= 1952?? ; 8= 1952 ; 1= 1953? ; 2= 1953 ; 1= 1954?? ; 3= 1954 ; 3= 1955?? ; 2= 1955 ; 19= 1956?? ; 14= 1956? ; 70= 1956 ; 18= 1957? ; 156= 1957 ; 9= 1958? ; 3= 1959 ; 3= 1960?? ; 1= 1960 ; 1= 1961? ; 1= 1963?? ; 1= 1963? ; 1= 1964 ; 1= 1965?? ; 1= 1965? ; 1= 1965 ; 1= 1966? ; 1= 1973??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):351


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