Disclaimer: Always verify thermal performance (junction temperature) and switching frequency compatibility using the original circuit’s schematic before production. When in doubt, select a MOSFET with identical or lower Gate Charge (Qg) and identical or lower RDS(on).
There is because MOSFET technology evolves monthly (SiC, GaN, Superjunction). However, the method is timeless: all mosfet equivalent book datasheet
A book that simply lists "IRF540 = NTE2397" is a functional replacement guide , not a true equivalent. Always verify the datasheet. all mosfet equivalent book datasheet
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