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2SB457

Information - Help 
ID = 39472
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to 2SB457
Similar Tubes
Normally replaceable-slightly different:
  AC128
Base Wires
Description PNP germanium alloy transistor intended as AF low power amplifier / driver.
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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
to1_ttt_91.gif 2SB457: TTT Steidle 1981
Günther Stabe † 19.8.20
Usage in Models 2= 1968?? ; 1= 1968 ; 2= 1969 ; 1= 1970?? ; 1= 1970 ; 5= 1971? ; 2= 1972?? ; 2= 1972? ; 2= 1975?? ; 1= 1975?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):19

Collection of

Daniel Rosha (IR)
Museum Roggenhofer (A)
 
2sb457.jpg

2SB457
 
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