SMCG16A-E3/9AT

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TVS Diodes are considered a type of transient-voltage-suppressor (TVS), which is used to protect electronic components from voltage transients induced by lightning and ESD. SMCG16A-E3/ 9AT are multi-functional, bi-directional, three-terminal overvoltage protection devices. This TVS Diode features fast response time (<1.5ns), low profile, and superior ESD suppression. It is ideal for a variety of uses, such as protecting automotive power supplies, wireless and wired communication, and computing power.

Application Fields

The SMCG16A-E3/9AT is designed to protect electronic devices and systems from damage caused by transients such as electrostatic discharge (ESD) and surges from lightning. It is feature-rich, enabling designers to set overvoltage protection points for their specific application. It can also be used for high-speed switching applications. Its low capacitance ensures broadband protection for all power rails, especially at higher frequencies.

Working Principle

The SMCG16A-E3/9AT is a triple-terminal ESD and surge protection component with integrated series resistance and silicon avalanche diodes, providing protection for both positive and negative lines. The silicon avalanche diodes are activated at the specified overvoltage limits. When triggered, the avalanche will reduce the supply voltage to its overvoltage limit, protecting the connected components from damage. The integrated series resistance is used to limit inrush currents.

The TVS diode is capable of blocking high-level voltage transients or inductive energy without directing the current to the system. The capacitor is used to form a network that intercepts and dissipates any transients that try to enter the system. This RC combination helps ensure that the TVS diode can provide highly effective protection against ESD, surges, or spikes.

The protection is achieved by the Diode’s junction capacitance, which forms an RC Network with the EOS resistor connected in series, which allows for a higher clamp voltage while still providing the necessary protection. When the TVS diode is triggered, the series resistance will absorb the energy while the integrated diode will safely direct any excess energy away from the protected system.

Conclusion

The SMCG16A-E3/9AT is an excellent solution for protecting electronic components from ESD, surges, and spikes caused by Lightning or other transient events. Its fast response time, low profile, and superior ESD suppression make it ideal for a variety of applications. It is a highly reliable, cost-effective, and easy to use overvoltage protection device, providing incredibly effective protection for your systems and components.

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