This part is a kind of semiconductor called HY1906P.

Function of this product has N-Channel Enhancement Mode MOSFET.

Manufacturers : HOOYI

Image and pinout :

Some of the text within the PDF file :

HY1906P N-Channel Enhancement Mode MOSFET Features • • • • 65V/130A RDS(ON) = 7.5 mΩ (typ.) @ VGS=10V Pin Description 100% avalanche tested G Reliable and Rugged Lead Free and Green Devices Available (RoHS Compliant) D S D Applications G • • Switching application Power Management for Inverter Systems. S N-Channel MOSFET Ordering and Marking Information Package Code P HY1906 G ÿ YYWWJ P : TO220-3L Date Code YYWW Assembly Material G : Lead Free Device Note: HOOYI lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with RoHS. HOOYI lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020C for MSL classification at lead-free peak reflow temperature. HO [ ... ]

HY1906P PDF Datasheet Download