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HJ22

Information - Help 
ID = 71570
       
Country:
Japan
Brand: Hitachi Ltd.; Tokyo
Tube type:  Transistor   RF/IF-Stage 
Identical to HJ22
Similar Tubes
Normally replaceable-slightly different:
  HJ-22A ; HJ-22B ; HJ-22D ; HJ22D

Base Wires
Filament Solid State
Description

PNP germanium alloy transistor intended as AM broadcast oscillator / IF amplifier.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
8 x 9 x 4 mm / 0.31 x 0.35 x 0.16 inch
Weight 1 g / 0.04 oz
 
hj22.jpg
HJ22: Hitachi TH-621
Günther Stabe

 
to22_ktt~~40.gif
HJ22: KTT 1969/70
Günther Stabe

 

Usage in Models 1= 1956?? ; 1= 1957? ; 1= 1957 ; 1= 1958

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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