MXLSMLG30CAE3 Circuit Protection

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TVS - Diodes

A Transient Voltage Suppression (TVS) diode is a commonly used form of surge protection against electrostatic discharge (ESD) and electrical transients. The MXLSMLG30CAE3 is a bi-directional junction TVS diode designed to provide ESD surge protection from contact and air discharges up to IEC 60950 levels. The device is characterized by ultra-low capacitance (4-5pF) and low clamping voltage (6.5-7.5V). It is available in a SOT-23 package, making it an ideal solution for space-constrained applications.

Application Field

The MXLSMLG30CAE3 is designed for a variety of portable mobile and consumer electronics applications that require ESD and transients protection with ultra-low capacitance. Commonly found in smart phones, tablets, monitors, laptop computers, and digital TV\'s, this device is suitable for applications needing effective protection and limited space requirements.

The MXLSMLG30CAE3 is also used in high-frequency industrial and automotive applications. The low-capacitance characteristics of the device permit it to be used in long-distance and high-speed information transmission systems, such as HDMI and USB3.0 cables, without adversely affecting signal integrity. It is also widely used in automotive applications such as audio inputs, ECU protection, and fuel ignition systems.

Working Principle

When the MXLSMLG30CAE3 is exposed to a surge or transient current, it acts as a short circuit, diverting the current away from the DUT. This is made possible due to the engaging and clamping action of the device. When the device is triggered, the breakdown voltage of the diode drops, allowing current to flow through the diode and dissipate the ESD pulse and transient energy. The device also prevents the ESD or transient currents from reaching the sensitive circuits of the DUT by providing a conductive path.

The MXLSMLG30CAE3 is designed to be reverse breakdown, requiring a low stand-off voltage (6.5-7.5V) to trigger the device. It also has a low on-state resistance and a capacitance of 4-5pF, which provides fast response time to protect against ESD pulses. The device is compliant to EIA/JEDEC standards and is capable of providing efficient protection up to IEC 60950 levels.

In summary, the MXLSMLG30CAE3 is a bi-directional junction TVS diode designed for a variety of applications needing ESD and transient protection. It provides a low-capacitance solution and requires a low stand-off voltage to trigger protection, making it suitable for space-constrained applications and the protection of high-speed and long-distance information transmissions.

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