STP3HNK90Z

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STP3HNK90Z is the part number assigned to the N-channel MOSFET (metal-oxide semiconductor field-effect transistor) manufactured by STMicroelectronics. It is a single-package part with three pins and has an on-resistance of 90 Ohms. With the following information, this article shall provide an insight into the application sector/filed of STP3HNK90Z, as well as a brief overview on its working principle.

Applications:

STP3HNK90Z is mostly used in low-power applications and in circuits that require the switching of high-frequency signals. Other common applications of this MOSFET include power supply regulation and electro-mechanical actuators driving. This MOSFET can also be used as a variable resistor in electronic systems.

The STP3HNK90Z being a N-channel MOSFET, is most suitable for applications that require the MOSFET to control the positive signal. This MOSFET is also particularly suitable for circuits that require a fast switching signal as it has a high-frequency response.

Working Principle:

To understand how this MOSFET works, it is important to understand that the working of any MOSFET is based on the gate current, drain current and the drain-source voltage.

The STP3HNK90Z has three pins – gate, drain, and source. The gate is the most important one as it controls the flow of electric current through the other two pins. When the voltage applied on the gate is higher than a certain threshold, the MOSFET will start conducting current through the drain and source.

The flow of current is reduced or totally stopped when the gate voltage is below the given threshold. This is due to the fact that the gate acts as an electric field which controls the flow of current through the other two pins.

The STP3HNK90Z has an on-resistance of 90 Ohms. This means that when the MOSFET is conducting current, it will have a resistance of 90 Ohms. This resistance is significant as it helps in minimizing the power dissipation and increases the efficiency of the circuit.

The MOSFET can also be used as a switch due to its fast switching capability. This means that it can easily be used to switch on and off devices without any delay.

Overall, the STP3HNK90Z N-channel MOSFET has a wide range of applications in both low-power and high-power circuits and can be used to regulate power, drive electro-mechanical actuators, switch on and off components, act as a variable resistor, and reduce power dissipation and increase efficiency.

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