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2SB172A

Information - Help 
ID = 48570
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Transistor   Audio Frequency 
Identical to 2SB172A
Similar Tubes
Normally replaceable-slightly different:
  2SB172 ; AC151

Base Wires
Filament Solid State
Description PNP germanium alloy transistor intended as AF amplifier.

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
Literature
 
to1_ttt_120.gif
2SB172A: TTT Steidle 1981
Günther Stabe

 

Usage in Models 1= 1970?? ; 1= 1974

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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