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2SB77

Information - Help 
ID = 35898
       
Country:
Japan
Brand: Hitachi Ltd.; Tokyo
Tube type:  Transistor   Power/Output 
Identical to 2SB77
Similar Tubes
Normally replaceable-slightly different:
  2S34 ; 2S61 ; 2SB43 ; 2SB61 ; 2SB65 ; 3AX22 ; AC122 ; AC125 ; AC151
Different maximum ratings:
  2SB76
Predecessor Tubes 2S37  
Base Wires
Description

PNP germanium alloy transistor intended as AF low power 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
Information source -- Collector info (Sammler)   KTT 1969/70, TVT 1969, TTT 1981 Steidle
2sb7577.gif
2SB77: Funktechnik 2/69
Egon Strampe
to1_ttt_157.gif 2SB77: TTT Steidle 1981
Günther Stabe † 19.8.20
2sb77_dat.png
2SB77: Hitachi
Thomas Günzel † 1.8.22
More ...
Usage in Models 1= 1956?? ; 2= 1959?? ; 2= 1959 ; 12= 1960?? ; 6= 1960? ; 7= 1960 ; 3= 1961?? ; 5= 1961? ; 8= 1961 ; 14= 1962?? ; 5= 1962? ; 9= 1962 ; 7= 1963?? ; 6= 1963? ; 11= 1963 ; 5= 1964?? ; 12= 1964? ; 6= 1964 ; 43= 1965?? ; 20= 1965? ; 8= 1965 ; 8= 1966?? ; 11= 1966? ; 8= 1966 ; 6= 1967?? ; 5= 1967? ; 8= 1967 ; 6= 1968?? ; 13= 1968? ; 14= 1968 ; 4= 1969?? ; 5= 1969? ; 15= 1969 ; 25= 1970?? ; 6= 1970? ; 10= 1970 ; 7= 1971?? ; 5= 1971? ; 10= 1971 ; 5= 1972?? ; 1= 1972? ; 7= 1972 ; 3= 1973?? ; 1= 1973? ; 8= 1973 ; 5= 1974?? ; 1= 1974? ; 1= 1974 ; 11= 1975?? ; 1= 1976?? ; 2= 1977?? ; 1= 1978?? ; 3= 1980?? ; 1= 9999?? ; 2= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):411

Collection of

Museum Roggenhofer (A)
Marcello Astolfi (I)
Karlheinz Fischer (D)
Günther Stabe † 19.8.20 (D)
Michael Gnaedig-Fischer (MEX)
 
2sb77~~1.jpg

2SB77
 
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