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HJ74

Information - Help 
ID = 38817
       
Country:
Japan
Brand: Hitachi Ltd.; Tokyo
Tube type:  Transistor   Frequency converter 
Identical to HJ74
Similar Tubes
Normally replaceable-slightly different:
  2SA84 ; AF127
Successor Tubes 2SA84  

Base Wires
Filament Solid State
Description PNP germanium alloy (?) transistor intended as AM broadcast mixer / oscillator.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 1 g / 0.04 oz
Information source -- Schematic   
 
to1_ttt_35.gif
HJ74: TTT Steidle 1981
Günther Stabe † 19.8.20

 

Usage in Models 2= 1959? ; 1= 1959

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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