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HJ22D

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ID = 39351
       
Country:
Japan
Brand: Hitachi Ltd.; Tokyo
Tube type:  Transistor   RF/IF-Stage 
Identical to HJ22D = HJ-22D
Similar Tubes
Normally replaceable-slightly different:
  2N139 ; 2N218 ; AF127 ; HJ-22A ; HJ-22B ; HJ22 ; HJ56 ; HJ61
Base Wires
Description PNP germanium alloy transistor intended as AM broadcast oscillator / IF amplifier.
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Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 7 x 8 x 4 mm / 0.28 x 0.31 x 0.16 inch
Weight 1 g / 0.04 oz
Information source -- Schematic   
to22_ktt_46.gif HJ22D
Günther Stabe † 19.8.20
Usage in Models 1= 1957?? ; 1= 1957 ; 1= 1958? ; 1= 1958 ; 3= 1959 ; 1= 1960??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8
 
hj22d_c_thevenin.jpg

 
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