This part is a kind of semiconductor called 2N6099.

Function of this product has (2N6098 - 2N6101) Silicon Power Transistor.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon NPN Power Transistors 2N6098 2N6099 2N6100 2N6101 DESCRIPTION ·With TO-220 package ·High current capability APPLICATIONS ·For use in general-purpose amplifier and switching applications PINNING PIN 1 2 3 DESCRIPTION Base Collector;connected to mounting base Emitter Absolute maximum ratings(Ta=25 ) SYMBOL PARAMETER 2N6098 VCBO Collector-base voltage 2N6099 2N6100 2N6101 2N6098 VCEO Collector-emitter voltage 2N6099 2N6100 2N6101 VEBO IC PT Tj Tstg Emitter-base voltage Collector current Total power dissipation Junction temperature Storage temperature TC=25 Open collector Open base Open emitter CONDITIONS VALUE 70 70 80 80 70 70 80 80 8 10 75 150 -65~150 V A W V V UNIT THERMAL CHARACTERISTICS SYMBOL Rth j-c PARAM [ ... ]

2N6099 PDF Datasheet Download