|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.)