STE45NK80ZD

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The STE45NK80ZD is a N-channel MOSFET (metal-oxide-semiconductor field-effect transistor) employed as a switching element, featuring Absolute Maximum Ratings of 45V drain-source voltage, 8A continuous drain current and 250mΩ typical RDS(on). It is a component in the medium-power class which is ideal for use in automotive, motor control, and general purpose power supply applications. In this article, the application field and working principle of the STE45NK80ZD will be discussed.

The STE45NK80ZD is designed for a variety of power management and control applications such as motor control, automotive, and general purpose power supplies. Due to its low ON resistance, fast switching times and low gate drive power consumption, the MOSFET is suitable for high frequency switching applications. The integrated protection diodes make it suitable for use in inductive load applications, such as brushed DC motors. This component has been designed to work in a wide range of temperature ranging from -55°C to +150°C, making it a good choice for automotive applications, particularly in engine control and motor control.

The STE45NK80ZD works in the same way as other MOSFETs. It uses a gate electrode to control the drain-source current by varying the voltage on the gate. It is an N-channel MOSFET and operates in an enhancement mode, which requires the gate voltage to be higher than the source voltage for the device to be in an “ON” state. The STE45NK80ZD also features parasitic diodes to reduce the ringing effect and enhance the reliability in inductive load applications.

The drain-source voltage of the STE45NK80ZD ranges from 0-45V, with a continuous drain current of 8A and RDS of only 250mΩ. The gate voltage of the STE45NK80ZD can go up to +/-20V, allowing for more control over the device in different applications. The device also has a Drain-Source breakdown voltage of 60V, giving it a better performance in commercial, industrial and automotive applications. The device has a fast switching speed, with a rise and fall time as low as 4ns and 7ns respectively, allowing for fast and efficient power supply systems.

In conclusion, the STE45NK80ZD is an ideal choice for a wide range of applications, including motor control, automotive, and general purpose power supplies. Its low ON resistance and fast switching times make it suitable for high frequency switching applications. The integrated protection diodes make it suitable for use in inductive load applications, such as brushed DC motors. Its low gate drive power consumption, Drain-Source voltage of 45V, and fast rise/fall times make it a versatile choice for many applications.

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