| 1913 | 2SA503 | Industrial Transistor Specification Table |
| 1914 | 2SA503 | Silicon PNP epitaxial high frequency transistor |
| 1915 | 2SA504 | Industrial Transistor Specification Table |
| 1916 | 2SA504 | Silicon PNP epitaxial high frequency transistor |
| 1917 | 2SA505 | Audio Frequency Transistor |
| 1918 | 2SA505 | SILICON PNP EPITAXIAL TYPE(PCT PROCESS) |
| 1919 | 2SA509 | Audio Frequency Transistor |
| 1920 | 2SA509 | Silicon PNP epitaxial planar medium power transistor, complementary to 2SC509 |
| 1921 | 2SA509G | Silicon PNP epitaxial planar medium power transistor, complementary to 2SC509G |
| 1922 | 2SA510 | Industrial Transistor Specification Table |
| 1923 | 2SA510 | SILICON PNP EPITAXIAL TYPE |
| 1924 | 2SA511 | Industrial Transistor Specification Table |
| 1925 | 2SA512 | Industrial Transistor Specification Table |
| 1926 | 2SA512 | SILICON PNP EPITAXIAL TYPE |
| 1927 | 2SA513 | Industrial Transistor Specification Table |
| 1928 | 2SA52 | Radio Frequency Transistor specification table |
| 1929 | 2SA52 | High-Frequency Transistor BC BAND |
| 1930 | 2SA52 | Germanium PNP alloy junction transistor, AM Frequency Converter Applications |
| 1931 | 2SA53 | Radio Frequency Transistor specification table |
| 1932 | 2SA53 | High-Frequency Transistor BC BAND |
| 1933 | 2SA53 | Germanium PNP alloy junction transistor |
| 1934 | 2SA561 | Audio Frequency Transistor |
| 1935 | 2SA561 | Silicon PNP epitaxial planar transistor, complementary to 2SC734 |
| 1936 | 2SA562 | Audio Frequency Transistor |
| 1937 | 2SA562 | Silicon PNP epitaxial planar transistor |
| 1938 | 2SA562TM | Transistor Silicon PNP Epitaxial Type (PCT process) Audio Frequency Low Power Amplifier Applications Driver Stage Amplifier Applications Switching Applications |
| 1939 | 2SA57 | High-Frequency Transistor SW BAND |
| 1940 | 2SA58 | High-Frequency Transistor SW BAND |
| 1941 | 2SA594 | Industrial Transistor Specification Table |
| 1942 | 2SA594 | Silicon PNP epitaxial high frequency transistor |
| 1943 | 2SA60 | High-Frequency Transistor SW BAND |
| 1944 | 2SA656 | Industrial Transistor Specification Table |
| 1945 | 2SA656 | Silicon PNP epitaxial MESA transistor |
| 1946 | 2SA656A | Silicon PNP triple diffused MAS type power transistor |
| 1947 | 2SA657 | Industrial Transistor Specification Table |
| 1948 | 2SA657 | Silicon PNP epitaxial MESA transistor |
| 1949 | 2SA657A | Silicon PNP triple diffused MAS type power transistor |
| 1950 | 2SA658 | Industrial Transistor Specification Table |
| 1951 | 2SA658 | Silicon PNP epitaxial MESA transistor |
| 1952 | 2SA658A | Silicon PNP triple diffused MAS type power transistor |
| 1953 | 2SA661 | Audio Frequency Transistor |
| 1954 | 2SA661 | Silicon PNP epitaxial planar transistor, complementary to 2SC1166 |
| 1955 | 2SA663 | Audio Frequency Transistor |
| 1956 | 2SA663 | Silicon PNP triple diffused MESA transistor |
| 1957 | 2SA679 | Silicon PNP epitaxial MESA transistor |
| 1958 | 2SA680 | Silicon PNP epitaxial MESA transistor |
| 1959 | 2SA682 | Silicon PNP epitaxial MESA transistor |
| 1960 | 2SA72 | High-Frequency Transistor BC BAND |
| 1961 | 2SA73 | High-Frequency Transistor BC BAND |
| 1962 | 2SA739 | Silicon PNP triple diffused MESA high voltage switching transistor |
| 1963 | 2SA74 | High-Frequency Transistor SW BAND |
| 1964 | 2SA740 | PNP Transistor |
| 1965 | 2SA75 | High-Frequency Transistor SW BAND |
| 1966 | 2SA76 | High-Frequency Transistor VHF/UHF |
| 1967 | 2SA763 | PNP silicon transistor for low noise audio amplifier applications |
| 1968 | 2SA77 | High-Frequency Transistor VHF/UHF |
| 1969 | 2SA77 | High-Frequency Transistor SW BAND |
| 1970 | 2SA78 | High-Speed Switching Transistor |
| 1971 | 2SA814 | SILICON PNP EPITAXIAL BASE MESA TYPE |
| 1972 | 2SA815 | SILICON PNP EPITAXIAL BASE MESA TYPE |
| 1973 | 2SA816 | Silicon PNP epitaxial medium power transistor |
| 1974 | 2SA817 | Transistor Silicon PNP Epitaxial Type (PCT process) Audio Frequency Amplifier Applications |
| 1975 | 2SA817A | TRANSISTOR SILICON PNP EPITAXIAL TYPE (PCT PROCESS) DRIVER STAGE AMPLIFIER APPLICATIONS VOLTAGE AMPLIFIER APPLICATIONS |
| 1976 | 2SA92 | High-Frequency Transistor SW BAND |
| 1977 | 2SA93 | High-Frequency Transistor SW BAND |
| 1978 | 2SA940 | Silicon PNP triple diffused power transistor, complementary to 2SC2073 |
| 1979 | 2SA940A | TRANSISTOR SILICON PNP TRIPLE DIFFUSED TYPE (PCT PROCESS) POWER AMPLIFIER AND VERTICAL OUTPUT APPLICATIONS. |
| 1980 | 2SA941 | 120V PNP silicon transistor for low noise audio amplifier applications |
| 1981 | 2SA942 | 90V PNP silicon transistor for low noise audio amplifier applications |
| 1982 | 2SA949 | TRANSISTOR SILICON PNP TRIPLE DIFFUSED TYPE. DRIVER STAGE AUDIO AMPLIFIER AND HIGH VOLTAGE SWITCHING APPLICATIONS |
| 1983 | 2SA950 | Transistor Silicon PNP Epitaxial Type (PCT process) Audio Power Amplifier Applications |
| 1984 | 2SA962A | Silicon PNP epitaxial power transistor, complementary 2SC2194A |
| 1985 | 2SA965 | TRANSISTOR SILICON PNP TRIPLE DIFFUSED TYPE. DRIVER STAGE AND POWER AMPLIFIER APPLICATIONS |
| 1986 | 2SA966 | TRANSISTOR SILICON PNP EPITAXIAL TYPE (PCT PROCESS) AUDIO POWER AMPLIFIER APPLICATIONS |
| 1987 | 2SA968 | Silicon PNP epitaxial power transistor, complementary 2SC2238 |
| 1988 | 2SA968B | V(cbo): 200V; V(ceo): 200V; V(ebo): 5V; 1.5A; 25W ; silicon PNP epitaxial type silicon power transistor |
| 1989 | 2SA969A | Silicon PNP epitaxial power transistor, complementary 2SC2238A |
| 1990 | 2SA970 | Transistor Silicon PNP Epitaxial Type (PCT process) Low Noise Audio Amplifier Applications |
| 1991 | 2SB1015 | Silicon PNP triple diffused audio frequency power transistor |
| 1992 | 2SB1015 | TRANSISTOR (AUDIO FREQUENCY POWER AMPLIFIER APPLICATIONS) |
| 1993 | 2SB1015A | Transistor Silicon PNP Triple Diffused Type Audio Frequency Power Amplifier Applications |
| 1994 | 2SB1016 | Silicon PNP triple diffused power transistor |
| 1995 | 2SB1016A | TRANSISTOR SILICON PNP EPITAXIAL TYPE POWER AMPLIFIER APPLICATIONS |
| 1996 | 2SB1017 | Silicon PNP triple diffused power transistor |
| 1997 | 2SB1018 | Silicon PNP triple diffused high current switching transistor |
| 1998 | 2SB1018A | TRANSISTOR SILICON PNP TRIPLE DIFFUSED TYPE (PCT PROCESS) HIGH CURRENT SWITCHING APPLICATIONS. POWER AMPLIFIER APPLICATIONS. |
| 1999 | 2SB1019 | Silicon PNP triple diffused high current switching transistor |
| 2000 | 2SB1020 | 7A; 30W; V(ceo): 100V; PNP darlington transistor |
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