For the MOSFET to operate as an analog switching device, that needs to be switched between its cutoff region where VGS =0 and saturation region where VGS =+v.Īuto Intensity Control of Street Lights using MOSFET If we are not giving the protection, then the MOSFET will be damaged. But when using MOSFET to switch either inductive load or capacitive load protection is required to contain the MOSFET applications. In the above circuit, it is a very simple circuit for switching a resistive load such as LEDs or lamp. If the resistive load of the lamp was to be replaced by an inductive load and connected to the relay or diode to protect the load.
The positive voltage is applied at the gate of the MOSFET and the lamp is ON (VGS =+v) or at the zero voltage level the device turns off (VGS=0). In this circuit, using enhanced mode, a N-channel MOSFET is being used to switch the lamp for ON and OFF. For better understanding of this concept, here we have explained some projects. The applications of the MOSFET used in various electrical and electronic projects which are designed by using various electrical and electronic components.
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