List of transistorized computers


This is a list of transistorized computers, which were digital computers that used discrete transistors as their primary logic elements. Discrete transistors were a feature of logic design for computers from about 1960, when reliable transistors became economically available, until monolithic integrated circuits displaced them in the 1970s. The list is organized by operational date or delivery year to customers. Computers announced, but never completed, are not included. Some very early "transistor" computers may still have included vacuum tubes in the power supply or for auxiliary functions.

1950s

1953

1954

1955

1956

1957

1958

1959

1960s

1960

1961

1962

1963

1964

1965

1966

1967

  • CER-22
  • D4a built in 1963 by Joachim Lehmann at the TU Dresden in about 10 exemplars. After modifications produced from 1967 as Cellatron 8201.
  • Honeywell 200/8200

1968

1969