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A SURVEY OF EARLY POWER TRANSISTORS by Joe A. Knight TRANSITRON 1950s/60s GERMANIUM AND SILICON POWER TRANSISTORS |
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ABOVE, L-to-R: As the first item shows, Transitron stayed with the large copper stud-mounted housing but now use top-mounted wire connecting leads much like the Honeywell "2N57" design. The second item shows a modified simpler design aluminum housing, still stud mounted and with wire leads. Both these items appear to have been hand assembled and painted, likely from early/mid 1954.
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COPYRIGHT © 2007 by Jack Ward. All Rights Reserved. http://www.transistormuseum.com/ Joe A. Knight Early Power Transistor History – TRANSITRON Page 4 |
