This part is a kind of semiconductor called 2SC1444.
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 2SC1444 DESCRIPTION ·With TO-66 package ·Excellent safe operating area ·Low collector saturation voltage APPLICATIONS ·For switching and wide-band amplifier applications. PINNING(see Fig.2) PIN 1 2 3 Base Emitter Collector Fig.1 simplified outline (TO-66) and symbol DESCRIPTION Absolute maximum ratings(Ta= ) SYMBOL VCBO VCEO VEBO IC IB PD Tj Tstg PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Total power dissipation Junction temperature Storage temperature TC=25 Open emitter Open base Open collector CONDITIONS VALUE 80 60 6 6 1 40 150 -55~150 UNIT V V V A A W SavantIC Semiconductor Product Specification [ ... ]
2SC1444 PDF Datasheet Download
