AO4494H

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AO4494H is a type of field-effect transistor (FET) from Alpha & Omega Semiconductor. This type of transistor is a single N-channel enhancement mode MOSFET, which is an ideal switch for industrial, consumer, automotive, and power management applications where robustness and ease of use are important.

This type of transistor is a three-terminal device that works by using an electric field to control the current flow through the device. The gate terminal is used to control the current flow between the source and drain terminals, This field-effect transistor is built using advanced trench process technology, and it has excellent current–voltage characteristics and high power density.

AO4494H has an on-state drain current of 160mA and a rated drain-source voltage of 120V. It also has an excellent body-diode reverse-recovery time and is capable of switching operating voltages of -12V to +12V. It is an optimized solution for a wide range of applications, including motor control, inverter, switch mode power supplies, lighting, and portable applications.

Being an N-channel MOSFET, AO4494H has a fast switching speed, excellent thermal performance and high efficiency. It can also be used as a linear voltage regulator by turning on one FET and off another FET with the same voltage. This enables the transistor to regulate the output voltage regardless of the input voltage.

The AO4494H is designed to switch low-current applications, such as charging circuits and low power audio applications. It also features enhanced avalanche ratings and enhanced ESD performance, making it ideal for automotive and industrial applications. The FET also offers over-voltage and over-temperature protection, creating a robust solution for a variety of circuits.

AO4494H has a low on-resistance and improved peak efficiency, making it an excellent choice for switching applications. The FET has an operating temperature range of -40°C to 125°C and a maximum junction temperature of 175°C. It also has an excellent noise immunity due to its low gate charge. AO4494H has a low gate threshold voltage, which allows for high-speed switching with minimal energy consumption.

In conclusion, AO4494H is a high performance N-channel MOSFET which is suitable for a wide range of applications. Its fast switching speed and smaller die design allow for the highest levels of efficiency and thermal performance. Its excellent current–voltage characteristics, low gate charge, and over-voltage and over-temperature protection make it an ideal choice for a variety of applications, including motor control, inverter, switch mode power supplies, lighting, and portable applications.

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