View 2sk1728 datasheet:

Ordering number:EN3823 N-Channel Silicon MOSFET 2SK1728 Ultrahigh-Speed Switching Applications Features Package Dimensions · Low ON resistance. unit:mm · Ultrahigh-speed switching. 2062A · Low-voltage drive. [2SK1728] 4.5 1.5 1.6 0.4 0.5 3 2 1 0.4 1.5 3.0 1 : Gate 0.75 2 : Drain 3 : Source SANYO : PCP Specifications Absolute Maximum Ratings at Ta = 25?C Parameter Symbol Conditions Ratings Unit Drain-to-Source Voltage VDSS 100 V Gate-to-Source Voltage VGSS ±15 V Drain Current (DC) ID 1 A Drain Current (Pulse) IDP PW?10µs, duty cycle?1% 4 A Tc=25°C 3.5 W Allowable Power Dissipation PD Mounted on a ceramic board (250mm2?0.8mm) 1.3 W Channel Temperature Tch 150 ?C Storage Temperature Tstg –55 to +150 ?C Electrical Characteristics at Ta = 25?C Ratings P