This part is a kind of semiconductor called 2SK3592-01S.

Function of this product has N-CHANNEL SILICON POWER MOSFET.

Manufacturers : Fuji Electric

Image and pinout :

Some of the text within the PDF file :

2SK3592-01L,S,SJ FUJI POWER MOSFET 200304 Super FAP-G Series Features High speed switching Low on-resistance No secondary breadown Low driving power Avalanche-proof N-CHANNEL SILICON POWER MOSFET Outline Drawings (mm) Applications Switching regulators UPS (Uninterruptible Power Supply) DC-DC converters See to P4 Maximum ratings and characteristicAbsolute maximum ratings (Tc=25°C unless otherwise specified) Ratings Unit V 150 V 120 A Continuous drain current ±57 A Pulsed drain current ±228 V Gate-source voltage ±30 A Non-repetitive Avalanche current 57 mJ Maximum Avalanche Energy 272.5 kV/µs Maximum Drain-Source dV/dt 20 Peak Diode Recovery dV/dt 5 kV/µs Max. power dissipation 1.67 W 270 Operating and storage Tch +150 °C -55 to +150 temperature range Tstg ° [ ... ]

2SK3592-01S PDF Datasheet Download