MOSFET is a widely used field-effect device in the current semiconductor field, which relies on planar technology to achieve large-scale production.

Core structural characteristics
It consists of a three-layer core structure consisting of a metal gate, an oxide insulating dielectric, and a semiconductor substrate. The channel conduction state is controlled by gate voltage to achieve current switching control. ‌

Mainstream technological evolution
From the early days of planar MOSFETs, multiple technological branches have been developed, including SGT MOSFETs, trench MOSFETs, SiC MOSFETs, etc., which have significantly improved performance in power conversion scenarios. ‌

Typical application scenarios
Widely covering power management, motor drive, new energy vehicles, photovoltaic inverters and other fields, it is the core power device of power electronic systems.