This part is a kind of semiconductor called 24N50.

Function of this product has N-Channel MOSFET Transistor.

Manufacturers : Inchange Semiconductor

Image and pinout :

Some of the text within the PDF file :

INCHANGE Semiconductor isc N-Channel MOSFET Transistor ·FEATURES ·Drain Current ID= 24A@ TC=25℃ ·Drain Source Voltage : VDSS= 500V(Min) ·Static Drain-Source On-Resistance : RDS(on) = 0.2Ω(Max) ·Fast Switching ·APPLICATIONS ·Switch regulators ·Switching converters, motor drivers, relay drivers isc Product Specification 24N50 ·ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VDSS VGS Drain-Source Voltage Gate-Source Voltage-Continuous 500 ±20 V V ID Drain Current-Continuous 24 A IDM Drain Current-Single Plused 196 A PD Total Dissipation @TC=25℃ 300 W Tj Max. Operating Junction Temperature 150 ℃ Tstg Storage Temperature -55~150 ℃ ·THERMAL CHARACTERISTICS SYMBOL PARAMETER Rth j-c Thermal Resistance, Junction to Case MAX UNIT 0.43 ℃/W [ ... ]

24N50 PDF Datasheet Download