View 2sk3020 datasheet:

Ordering number:ENN6229 N-Channel Silicon MOSFET 2SK3020 DC/DC Converter Applications Features Package Dimensions · Low ON resistance. unit:mm · 4V drive. 2083B [2SK3020] 6.5 2.3 5.0 0.5 4 0.85 0.7 1.2 0.6 0.5 1 : Gate 2 : Drain 1 2 3 3 : Source 4 : Drain 2.3 2.3 SANYO : TP unit:mm 2092B [2SK3020] 6.5 2.3 5.0 0.5 4 0.5 0.85 1 2 3 0.6 1.2 1 : Gate 0 to 0.2 2 : Drain 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 serious physical and/or material damage. C