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SM8S28AHE3/2D application field and working principle

TVS (Transient Voltage Suppressor) diodes are used to protect vulnerable electronic components from transient voltage surges in various industries, covering automotive, medical, telecommunications, information technology, consumer electronics, aerospace and many more. The SM8S28AHE3/2D is the latest generation of TVS diodes, manufactured by SunMate Electronics. It is designed for automotive applications and is suitable for high-speed signal and data applications.

Features

The SM8S28AHE3/2D boasts several features that make it a suitable choice for a variety of applications. It has an ultra-low ESD protection of 4kV HBM allowing for effective protection from electrostatic discharge, while its low capacitance of 1.1pF makes it an excellent choice for high-speed signal protection. It also offers a wide operating voltage range of 5V - 28V.

Applications

The SM8S28AHE3/2D is most suitable used for protection in automotive applications, such as engine control systems, navigation systems, power systems, body systems, and infotainment systems. It is also applicable in consumer electronics, industrial systems, medical equipment, automotive electronics, and more.

Working Principle

The SM8S28AHE3/2D protects against transients and surges in the following manner. It is designed with an integrated ESD protection device which clamps the voltage to protect the device from electrostatic discharge. It then acts to suppress any transient surge that is higher than the operating voltage range. The device then absorbs the surge energy and limits the current allowing the device to be effectively protected.

Conclusion

The SM8S28AHE3/2D is a highly efficient TVS diode which is suitable for a variety of automotive and consumer electronics applications. Its low capacitance and wide voltage range allows for effective protection in high-speed signal and data applications and its ultra-low ESD protection allows for effective protection from electrostatic discharge.

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