| 1913 | 2N6313 | Leaded Power Transistor General Purpose |
| 1914 | 2N6314 | Leaded Power Transistor General Purpose |
| 1915 | 2N6315 | Leaded Power Transistor General Purpose |
| 1916 | 2N6316 | Leaded Power Transistor General Purpose |
| 1917 | 2N6317 | Leaded Power Transistor General Purpose |
| 1918 | 2N6318 | Leaded Power Transistor General Purpose |
| 1919 | 2N6371 | Leaded Power Transistor General Purpose |
| 1920 | 2N6372 | Leaded Power Transistor General Purpose |
| 1921 | 2N6373 | Leaded Power Transistor General Purpose |
| 1922 | 2N6374 | Leaded Power Transistor General Purpose |
| 1923 | 2N6383 | Leaded Power Transistor Darlington |
| 1924 | 2N6384 | Leaded Power Transistor Darlington |
| 1925 | 2N6385 | Leaded Power Transistor Darlington |
| 1926 | 2N6386 | Leaded Power Transistor Darlington |
| 1927 | 2N6387 | Leaded Power Transistor Darlington |
| 1928 | 2N6388 | Leaded Power Transistor Darlington |
| 1929 | 2N6420 | Leaded Power Transistor General Purpose |
| 1930 | 2N6421 | Leaded Power Transistor General Purpose |
| 1931 | 2N6422 | Leaded Power Transistor General Purpose |
| 1932 | 2N6423 | Leaded Power Transistor General Purpose |
| 1933 | 2N6424 | Leaded Power Transistor General Purpose |
| 1934 | 2N6425 | Leaded Power Transistor General Purpose |
| 1935 | 2N6426 | Leaded Small Signal Transistor Darlington |
| 1936 | 2N6427 | Leaded Small Signal Transistor Darlington |
| 1937 | 2N6428 | Leaded Small Signal Transistor General Purpose |
| 1938 | 2N6430 | Leaded Small Signal Transistor General Purpose |
| 1939 | 2N6431 | Leaded Small Signal Transistor General Purpose |
| 1940 | 2N6432 | Leaded Small Signal Transistor General Purpose |
| 1941 | 2N6433 | Leaded Small Signal Transistor General Purpose |
| 1942 | 2N6465 | Leaded Power Transistor General Purpose |
| 1943 | 2N6466 | Leaded Power Transistor General Purpose |
| 1944 | 2N6467 | Leaded Power Transistor General Purpose |
| 1945 | 2N6468 | Leaded Power Transistor General Purpose |
| 1946 | 2N6469 | Leaded Power Transistor General Purpose |
| 1947 | 2N6470 | Leaded Power Transistor General Purpose |
| 1948 | 2N6471 | Leaded Power Transistor General Purpose |
| 1949 | 2N6472 | Leaded Power Transistor General Purpose |
| 1950 | 2N6473 | COMPLEMENTARY SILICON SWITCHING TRANSITORS |
| 1951 | 2N6474 | COMPLEMENTARY SILICON SWITCHING TRANSITORS |
| 1952 | 2N6475 | COMPLEMENTARY SILICON SWITCHING TRANSITORS |
| 1953 | 2N6476 | COMPLEMENTARY SILICON SWITCHING TRANSITORS |
| 1954 | 2N6486 | Leaded Power Transistor General Purpose |
| 1955 | 2N6487 | Leaded Power Transistor General Purpose |
| 1956 | 2N6488 | Leaded Power Transistor General Purpose |
| 1957 | 2N6489 | Leaded Power Transistor General Purpose |
| 1958 | 2N6490 | Leaded Power Transistor General Purpose |
| 1959 | 2N6491 | Leaded Power Transistor General Purpose |
| 1960 | 2N6497 | Leaded Power Transistor General Purpose |
| 1961 | 2N6498 | Leaded Power Transistor General Purpose |
| 1962 | 2N6499 | Leaded Power Transistor General Purpose |
| 1963 | 2N6502 | Leaded Small Signal Transistor Dual |
| 1964 | 2N6515 | Leaded Small Signal Transistor General Purpose |
| 1965 | 2N6516 | Leaded Small Signal Transistor General Purpose |
| 1966 | 2N6517 | Leaded Small Signal Transistor General Purpose |
| 1967 | 2N6518 | Leaded Small Signal Transistor General Purpose |
| 1968 | 2N6519 | Leaded Small Signal Transistor General Purpose |
| 1969 | 2N6520 | Leaded Small Signal Transistor General Purpose |
| 1970 | 2N6530 | Leaded Power Transistor Darlington |
| 1971 | 2N6531 | Leaded Power Transistor Darlington |
| 1972 | 2N6532 | Leaded Power Transistor Darlington |
| 1973 | 2N6533 | Leaded Power Transistor Darlington |
| 1974 | 2N6542 | Leaded Power Transistor General Purpose |
| 1975 | 2N6543 | Leaded Power Transistor General Purpose |
| 1976 | 2N6544 | Leaded Power Transistor General Purpose |
| 1977 | 2N6545 | Leaded Power Transistor General Purpose |
| 1978 | 2N6546 | Leaded Power Transistor General Purpose |
| 1979 | 2N6547 | Leaded Power Transistor General Purpose |
| 1980 | 2N6548 | Leaded Power Transistor Darlington |
| 1981 | 2N6549 | Leaded Power Transistor Darlington |
| 1982 | 2N6551 | Complementary Silicon Transistors manufactured by the epitaial planar process designed for general purpose audio amplifier |
| 1983 | 2N6552 | Complementary Silicon Transistors manufactured by the epitaial planar process designed for general purpose audio amplifier |
| 1984 | 2N6553 | Complementary Silicon Transistors manufactured by the epitaial planar process designed for general purpose audio amplifier |
| 1985 | 2N6554 | Complementary Silicon Transistors manufactured by the epitaial planar process designed for general purpose audio amplifier |
| 1986 | 2N6555 | Complementary Silicon Transistors manufactured by the epitaial planar process designed for general purpose audio amplifier |
| 1987 | 2N6556 | Complementary Silicon Transistors manufactured by the epitaial planar process designed for general purpose audio amplifier |
| 1988 | 2N6564 | Leaded Thyristor SCR |
| 1989 | 2N6565 | Leaded Thyristor SCR |
| 1990 | 2N6569 | Leaded Power Transistor General Purpose |
| 1991 | 2N656A | Leaded Small Signal Transistor General Purpose |
| 1992 | 2N6576 | Leaded Power Transistor Darlington |
| 1993 | 2N6577 | Leaded Power Transistor Darlington |
| 1994 | 2N6578 | Leaded Power Transistor Darlington |
| 1995 | 2N657A | Leaded Small Signal Transistor General Purpose |
| 1996 | 2N6594 | Leaded Power Transistor General Purpose |
| 1997 | 2N660 | SCRs |
| 1998 | 2N6605 | Leaded Thyristor SCR |
| 1999 | 2N6606 | Leaded Thyristor SCR |
| 2000 | 2N6607 | Leaded Thyristor SCR |
| | |
