MXLSMCGLCE40A Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

A TVS (transient voltage suppressor) is a type of diode specifically designed to protect electronic circuitry from large voltage transients, such as electrical spikes caused by lightning strikes and electrostatic discharge. The MXLSMCGLCE40A TVS diode is widely used in applications requiring protection from over-voltage transients.

The MXLSMCGLCE40A is a bidirectional, surface mount, low capacitance diode with an ultra-low leakage and a high surge capability. It provides rated clamping voltage of 40V, with a breakdown voltage of 58V and a maximum operating temperature of 125°C. The device is compliant with the IEC 61000-4-2 standard and provides robust ESD protection for high RF immunity and low clamping.

In terms of application fields, the MXLSMCGLCE40A can be used in protection of low-/high-speed interfaces such as USB3.1, HDMI, IEEE1394, as well as in protection of other sensitive signal lines and antenna feed lines in communications systems. Additionally, this TVS diode is suitable for high-reliability automotive, telecom, Industrial, medical, and consumer applications.

Working Principle

As a type of Zener diode, the MXLSMCGLCE40A\'s basic working principle is based on a breakdown phenomenon in a reverse biased P/N junction. When subjected to a reverse-bias voltage above the breakdown voltage, the reverse current begins to exponentially increase, producing an avalanche breakdown, thus limiting the voltage to values below the breakdown voltage. This process is known as the Avalanche Zener Breakdown.

In order to achieve a low clamping voltage in the breakdown region, the doping profile of the MXLSMCGLCE40A must be designed very carefully. The device is a single-solution which guarantees electrostatic discharge protection as well as short-term over-voltage protection. This is achieved through the presence of a Zener diode and an avalanche diode on its substrate. When a high voltage transient is encountered, the avalanche diode conducts and sets up a shunt path thus dissipating energy from the transient wave, thus limiting the transient voltage to a safe level.

Due to the design of the MXLSMCGLCE40A\'s substrate, the voltage is suppressed in just a few nanoseconds, and the zero clamp voltage is attained in the other few nanoseconds. This makes it ideal for use on digital buses with very high speed data rates, or any other application requiring minimal clamping with very fast response times.

Conclusion

In the end, the MXLSMCGLCE40A is a widely used TVS diode for protection against over-voltage transients and ESD. It is a bidirectional, surface mount, low capacitance diode with an ultra-low leakage and a high surge capability. With its fast response time and high RF immunity, the MXLSMCGLCE40A is well-suited for any application requiring protection from over-voltage transients, such as low-/high-speed interfaces, sensitive signal lines, antenna feed lines, and more.

The specific data is subject to PDF, and the above content is for reference