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VMOS FET vs UMOS FET-Difference between VMOS FET and UMOS FET

This page on VMOS FET vs UMOS FET describes difference between VMOS FET and UMOS FET. The other useful links to difference between various terms are provided here.

VMOS FET

The full name of VMOS FET is Vertical Metal Oxide Silicon FET. In this type of power MOSFET, V shape of gate is cut vertical into the substrate part.

VMOS deliveres high current from S(Source) terminal to D(Drain) terminal. This is due to wide depletion region width.

VMOS FET vs UMOS FET

UMOS FET

It is called UMOS FET due to its U-shaped structure. It is also known as Trench Gate MOS. This device has low max. electric field on top of the gate. This leads to high max. voltage compare to VMOS FET device.

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