PDF of about 105 KB named after the 2SK2043 transistor, catalogued as a schematic although it is likely the part datasheet.

Duplicate copy of the 2SK2043 datasheet, describing an N-channel MOSFET rated 600 V and 2 A according to the name; the trailing (1) only marks a second saved instance of…

Datasheet for the 2SK2043 N-channel MOSFET, with the file name stating a 600 V drain-source rating and 2 A drain current.