This part is a kind of semiconductor called 2SC4460.
Function of this product has Silicon NPN Power Transistors.
Manufacturers : Inchange Semiconductor
Image and pinout :

Some of the text within the PDF file :
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SC4460 DESCRIPTION ¡¤ With TO-3PML package ¡¤ High breakdown voltage, high reliability. ¡¤ Fast switching speed. ¡¤ Wide area of safe operation APPLICATIONS ¡¤ For switching regulator applications PINNING PIN 1 2 3 Base Collector Fig.1 simplified outline (TO-3PML) and symbol Emitter DESCRIPTION Absolute maximum ratings(Ta=25¡æ ) SYMBOL VCBO VCEO VEBO IC ICM IB PARAMETER Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector current-peak Base current TC=25¡æ PC Collector power dissipation 3 Tj Tstg Junction temperature Storage temperature 150 -55~150 ¡æ ¡æ CONDITIONS Open emitter Open base Open collector VALUE 800 500 7 15 25 4 55 [ ... ]
2SC4460 PDF Datasheet Download
