SM5S14A-E3/2D

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TVS – Diodes are a type of semiconductor diodes or three terminal devices that act as a bridge between a load and a power source to prevent the power surge of certain kinds of signals. They are used across a variety of industries, including Audio, Automotive, Avionics, Health Care, Industrial Automation, and Telecommunications. SM5S14A-E3/2D is a kind of TVS that is built for Automotive applications. It provides an ESD solution with low capacitance and ESD protection up to 28kV.

Application Field of SM5S14A-E3/2D

The SM5S14A-E3/2D is a high-performance ESD protection device specifically designed for Automotive applications. It provides high-speed transient protection for automotive systems including Engine Control Modules (ECMs), transmission/body controllers, airbag monitoring systems, infotainment systems, LCD displays, and EPAS systems. The SM5S14A-E3/2D is a 10-pin plastic DIP package and is able to provide protection up to 28kV.

Working Principle of SM5S14A-E3/2D

The SM5S14A-E3/2D operates by redirecting incoming power surges to the ground or other dissipative ground element, thus providing protection for the electrical components and circuits on the same device. It works in the same principle of a back-to-back Zener Diode array in which one diode works as a Zener valve and the other as an avalanche diode. The Zener Diode limits the voltage and absorbs the energy that is generated, while the avalanche diode shunts any remaining energy. This protection allows the device to remain operational even in extreme conditions.

Conclusion

The SM5S14A-E3/2D is a type of TVS-Diode intended for Automotive applications. It provides high-speed transient protection with an ESD rating of up to 28kV. It works on a back-to-back Zener Diode array structure, in which one diode works as a Zener valve and the other as an avalanche diode. The device enables the electrical components and circuits to remain operational even in extreme conditions.

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