AO3402_103

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The AO3402_103 is a N-channel MOSFET (metal-oxide-semiconductor field-effect transistor) designed to operate with a 5 V gate drive. This device is manufactured using advanced processing techniques such as dynamic root-mean-square (RMS) voltage control, high-voltage integration, and internal protection circuits.

AO3402_103 application

The MOSFET AO3402_103 is a power MOSFET and is mainly used as a switching device in a range of applications. It is mainly used in high speed switching applications such as DC motors, circuit switching, AC motors, power switching, and power supplies. The AO3402_103 has a drain-source voltage of 20V, maximum drain current of 10A, and on-resistance of 4.2 ohms, making it suitable for switching low-voltage and low-current applications. The device is also suitable for applications such as switch mode power supplies, input protection, overvoltage detection, and solenoid control.

AO3402_103 working principle

The AO3402_103 is a voltage-controlled enhancement mode MOSFET. The operation of the AO3402_103 relies on the region of the device that is known as the "channel". The electrical characteristics of the channel are controlled by applying a gate voltage. As gate voltage is increased, a conductive region between the drain and source terminals is formed and the MOSFET is turned on. The conduction in the device is proportional to the gate voltage. When the gate voltage is increased, the device is turned on further and more current is drawn from the source terminal. The MOSFET can be turned off by reducing the gate voltage to a level below the triggering voltage.

When the MOSFET is full on, the device will draw a relatively constant current. This current is referred to as the ‘saturation current’. As the gate voltage is reduced, the device will become less efficient and the saturation current decreases. When the gate voltage reaches the point where the device is completely turned off, the current will cease to flow and the MOSFET will be in the ‘off state’.

The AO3402_103 can be used for applications in which a fast on/off switching action is required. The device is also suitable for use in applications that require high voltage and current levels, as well as low noise operation. The AO3402_103 is also suitable for applications such as DC/DC converters, PC power supplies, audio amplifiers, and high frequency RF switching.

Conclusion

The AO3402_103 is a N-channel MOSFET device that is suitable for a wide range of power switching and control applications. The device has a drain-source voltage of 20V, maximum drain current of 10A, and on-resistance of 4.2 ohms. The operation of the AO3402_103 relies on the region of the device that is known as the "channel", and the electrical characteristics of the channel are controlled by applying a gate voltage. The device is mainly used as a switching device in a range of applications, and is also suitable for applications such as switch mode power supplies, input protection, overvoltage detection, and solenoid control.

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