This part is a kind of semiconductor called BDX67.

Function of this product has SILICON POWER TRANSISTOR.

Manufacturers : SavantIC

Image and pinout :

Some of the text within the PDF file :

SavantIC Semiconductor Product Specification Silicon NPN Power Transistors BDX67 DESCRIPTION ·With TO-3 package ·High current capability ·DARLINGTON APPLICATIONS ·Designed for power amplification and switching application. PINNING (See Fig.2) PIN 1 2 3 Base Emitter Collector Fig.1 simplified outline (TO-3) and symbol DESCRIPTION Absolute maximum ratings(Ta=25 ) SYMBOL VCBO VCEO VEBO IC ICM IB PT Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector current(peak) Base current Total power dissipation Junction temperature Storage temperature TC=25 CONDITIONS Open emitter Open base Open collector VALUE 80 60 5 16 20 0.25 117 150 -55~200 UNIT V V V A A A W THERMAL CHARACTERISTICS SYMBOL Rth j-c PARAMETE [ ... ]

BDX67 PDF Datasheet Download