This part is a kind of semiconductor called 2SK1470.

Function of this product has Very High-Speed Switching Applications.

Manufacturers : Sanyo Semicon Device

Image and pinout :

Some of the text within the PDF file :

Ordering number:EN3771A N-Channel Silicon MOSFET 2SK1470 Ultrahigh-Speed Switching Applications Features · Low ON resistance. · Ultrahigh-speed switching. · Low-voltage drive. Package Dimensions unit:mm 2062A [2SK1470] 4.5 1.6 1.5 0.4 3 1.5 2 3.0 0.75 0.5 1 1.0 4.25max 2.5 0.4 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 Symbol VDSS VGSS ID IDP PD Tch Tstg PW≤10µs, duty cycle≤1% Tc=25°C Mounted on a ceramic board (250mm2×0.8mm) 1 : Gate 2 : Drain 3 : Source SANYO : PCP Conditions Ratings 60 ±15 2 8 3.5 1.5 150 –55 to +150 Unit V V A A W W ˚C ˚C Electrical Characteristi [ ... ]

2SK1470 PDF Datasheet Download