This part is a kind of semiconductor called IRF244.

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 isc Product Specification IRF244 DESCRIPTION ·Drain Current ID=14A@ TC=25℃ ·Drain Source Voltage- : VDSS= 250V(Min) ·Static Drain-Source On-Resistance : RDS(on) =0.28Ω(Max) APPLICATIONS ·Switching power supplies ·Switching converters,motor driver,relay driver ·Audio amplifier and servo motors ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VDSS VGS ID Ptot Tj Tstg Drain-Source Voltage (VGS=0) 250 V Gate-Source Voltage ±20 V Drain Current-continuous@ TC=25℃ 14 A Total Dissipation@TC=25℃ 125 W Max. Operating Junction Temperature 150 ℃ Storage Temperature Range -55~150 ℃ THERMAL CHARACTERISTICS SYMBOL PARAMETER MAX UNIT Rth j-c Thermal Resistance,Junction to Case 1.0 ℃/W Rth j [ ... ]

IRF244 PDF Datasheet Download