This part is a kind of semiconductor called BA3060.

Function of this product has Fast silicon rectifier diodes.

Manufacturers : Semikron International

Image and pinout :

Some of the text within the PDF file :

BA 3060 *0 7  8  1  8  8 ) -)  1  8  8 )   8    8 0  ,3 4 2/ 5 ,7 4 ' 5 ,77 4 2/ 5  /   : 8 ) #77 # <5 =  #7- # ./ #3; '2/ Axial lead diode Fast silicon rectifier diodes BA 3060 Forward Current: 3 A Reverse Voltage: 600 to 600 V Absolute Maximum Ratings Symbol Conditions ,35# ,37 ,3- A 75 7* *6 * 7  8  1  :    > '/ =; * 4 / 2   :   Values = = =; Units 5 5 5 5A CD( CD(    8 ) :   2 7$  2 *5 4 /  '; ?@';  1  : )   / ?@     $:8 7 )     )2  B '  ';  / "/ $ $/E'/ $/E'./        6   +         6     [ ... ]

BA3060 PDF Datasheet Download