View irf540ns datasheet:

PD - 91342 IRF540NS IRF540NL Advanced Process Technology HEXFET® Power MOSFET Ultra Low On-Resistance Dynamic dv/dt Rating D 175°C Operating Temperature VDSS = 100V Fast Switching Fully Avalanche Rated RDS(on) = 44m? Description G Advanced HEXFET® Power MOSFETs from International Rectifier utilize advanced processing ID = 33A S techniques to achieve extremely low on-resistance per silicon area. This benefit, combined with the fast switching speed and ruggedized device design that HEXFET power MOSFETs are well known for, provides the designer with an extremely efficient and reliable device for use in a wide variety of applications. The D2Pak is a surface mount power package capable of accommodating die sizes up to HEX-4. It provides the highest power capability