This part is a kind of semiconductor called 2N3797.

Function of this product has Trans GP BJT PNP 60V 10A 3-Pin(2+Tab) TO-3.

Manufacturers : New Jersey Semiconductor

Image and pinout :

2N3797 image and datasheet pinout

Some of the text within the PDF file :

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2N3797 PDF Datasheet Download

2017/10/08 17:00 2017/10/08 17:00