1987.0487.032 Texas Instruments Collection Object

2N389 Silicon Mesa Power Transistor - 1957
TI number: G00272

The display is a block of Lucite containing an open and a sealed example of the 2N389 silicon mesa power transistor.

TI introduced the 2N389 in 1957, and it was the first silicon high power transistor available to the industry. Using a mesa structure, the device was rated as 2 A collector current and 85 W dissipation at 25 degrees C.

Related material in collection: G00050-1.
Texas Instruments (Howard Moss, Harry Owens.)

Contact Nance L. Briscoe for further information

National Museum of American History

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