This part is a kind of semiconductor called 2SK4101FS.

Function of this product has N-Channel Silicon MOSFET.

Manufacturers : Sanyo

Image and pinout :

Some of the text within the PDF file :

Ordering number : ENA1366 2SK4101FS SANYO Semiconductors DATA SHEET 2SK4101FS Features • • • • N-Channel Silicon MOSFET General-Purpose Switching Device Applications Low ON-resistance, low input capacitance, ultrahigh-speed switching. Adoption of high reliability HVP process. Attachment workability is good by Mica-less package. Avalanche resistance guarantee. Specifications Absolute Maximum Ratings at Ta=25°C Parameter Drain-to-Source Voltage Gate-to-Source Voltage Drain Current (DC) Drain Current (Pulse) Allowable Power Dissipation Channel Temperature Storage Temperature Avalanche Energy (Single Pulse) *4 Avalanche Current *5 Symbol VDSS VGSS IDc *1 IDpack *2 IDP PD Tch Tstg EAS IAV Limited only by maximum temperature Tch=150°C Tc=25°C (SANYO’s ideal heat dissipation [ ... ]

2SK4101FS PDF Datasheet Download