This part is a kind of semiconductor called 2SC2246.

Function of this product has Silicon Power Transistors.

Manufacturers : JMnic

Image and pinout :

Some of the text within the PDF file :

Product Specification www.jmnic.com Silicon Power Transistors 2SC2246 DESCRIPTION ¡¤ High voltage ,high speed ¡¤ With TO-3 package APPLICATIONS ¡¤ Power switching ¡¤ Power amplification ¡¤ power driver 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¡æ ) 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 Tmb=25¡æ CONDITIONS Open emitter Open base Open collector MAX 450 400 5 15 30 6 100 200 -65~200 ¡æ ¡æ UNIT V V V A A A W THERMAL CHARACTERISTICS SYMBOL Rth j-mb PARAMET [ ... ]

2SC2246 PDF Datasheet Download