irf1530n.pdf datasheet:

PD -9.1353IRFI530NPRELIMINARYHEXFET Power MOSFET Advanced Process Technology Isolated PackageVDSS = 100V High Voltage Isolation = 2.5KVRMS Sink to Lead Creepage Dist. = 4.8mmRDS(on) = 0.11 Fully Avalanche RatedID = 11ADescriptionFifth Generation HEXFETs from International Rectifierutilize advanced processing techniques to achieve thelowest possible on-resistance per silicon area. This benefit,combined with the fast switching speed and ruggedizeddevice design for which HEXFET Power MOSFETs arewell known, provides the designer with an extremelyefficient device for use in a wide variety of applications.The TO-220 Fullpak eliminates the need for additionalinsulating hardware in commercial-industrial applications.The moulding compound used provides a high isolationcapability and a low thermal resistance between the taband external heats