Little help needed to understand Dimmer for DC lamp?

[aratti]

can you please advise if I can use this Mosfet and If I can use the same circuit?

No! IRF540 is a N channel mosfet the schematic uses a P channel mosfet.

Al.

[Megahertz]

No! IRF540 is a N channel mosfet the schematic uses a P channel mosfet.

Al.

Thanks Al, provided the circuit is changed, will this mosfet be able to do the Job?
I normally keep the components as advised, but IRF9540 is not normally available where I am.

[aratti]

....provided the circuit is changed, will this mosfet be able to do the Job?

Yes, it will work.

Al.