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A SURVEY OF EARLY POWER TRANSISTORS by Joe A. Knight TUNG-SOL 1950s/60s GERMANIUM POWER TRANSISTORS |
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Finally, Tung-Sol also second sourced some of the TO-36 types from Delco as shown above by the "2N174" on the left and the "2N441" on the right. The cut-open middle item is also a 2N174 type. Tung-Sol apparently stopped using the 'Baby-blue coloring around 1963 as it’s novelty likely wore off and it's extra cost became unjustifiable.
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COPYRIGHT © 2007 by Jack Ward. All Rights Reserved. http://www.transistormuseum.com/ Joe A. Knight Early Power Transistor History – TUNG-SOL Page 6 |
