International Rectifier's advanced HEXFET power MOSFET RF540NPBFuses advanced technology to achieve extremely low on-resistance per silicon area. This advantage, combined with HEXFET Power MOSFET's well-known fast switching speed and rugged device design, provides designers with an extremely efficient and reliable device for use in a variety of applications. TO-220 packages are generally suitable for all commercial and industrial applications with a power consumption of about 50 watts. TO-220 is widely accepted in the whole industry because of its low thermal resistance and low packaging cost.