TO-220FB-3L TO-263-2L N-Channel MOSFET Ordering and Marking Information P HY4008 XYMXXXXXX B HY4008 XYMXXXXXX Package Code P :TO-220FB-3L Date Code XYMXXXXXX B : TO-263-2L Note: HUAYI lead-free products contain molding compounds/die attach materials and 100% matte tin plate TermiNation fini.