View 2sk3491 datasheet:

Ordering number : ENN6959 2SK3491 N-Channel Silicon MOSFET 2SK3491 Ultrahigh-Speed Switching Applications Features Package Dimensions • Low ON-resistance. unit : mm • Low Qg. 2083B [2SK3491] 6.5 2.3 5.0 0.5 4 0.85 0.7 1.2 0.6 0.5 1 : Gate 1 2 3 2 : Drain 3 : Source 4 : Drain 2.3 2.3 SANYO : TP Package Dimensions unit : mm 2092B [2SK3491] 6.5 2.3 5.0 0.5 4 0.5 0.85 1 2 3 1 : Gate 0.6 1.2 2 : Drain 0 to 0.2 3 : Source 4 : Drain 2.3 2.3 SANYO : TP-FA Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in ser