Download the 2N5984 datasheet PDF.
This datasheet also includes the 2N5983 variant, as both parts are published together in a single manufacturer document.
2N5983 2N5984 2N5985(SILICON) MJE5983 MJE5984 MJE5985 HIGH POWER NPN SILICON TRANSISTORS
de~igned for use in general purpose amplifier and switching applications.