This part is a kind of semiconductor called 2SC3320.

Function of this product has TRIPLE DIFFUSED PLANER TYPE HIGH VOLTAGE HIGH SPEED SWITCHING.

Manufacturers : Fuji Electric

Image and pinout :

Some of the text within the PDF file :

Fuji Semiconductor, Inc. - P.O. Box 702708 - Dallas, TX 75370 - 972-733-1700 - www.fujisemiconductor.com [ ... ]

2SC3320 PDF Datasheet Download