| 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.)
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