MXLSMLG16AE3

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The MXLSMLG16AE3 is a sub-miniature Surface Mount “crowbar” TVS (Transient Voltage Suppressor) Diode. Constructed in an ultra-small, low profile, and highly reliable and robust 5-Lead SOT-23 (TO-236) package, it is designed to protect a wide array of electronic equipment against over-voltage and electrical transients.

Broadly speaking, TVS Diodes is a protective device that\'s used to divert an over-voltage or voltage spike away from sensitive components. Acting as a controllable "short" between the two terminals, the TVS Diode diverts the excessive voltage away from the components it\'s protecting, safeguarding them from being overloaded or damaged. In the event that a surge voltage impact does arise, the diode then softens the voltage by consuming the energy, dissipating it in the form of heat.

The MXLSMLG16AE3 series TVS Diode is an ideal solution for low-power applications such as LCD lighting protection and general circuit protection. As a component, it provides over-insertion protection of up to 30V, minimum air-gap breakdown voltage of 16V (at 8mA), and operation up to 170° Celsius. The MXLSMLG16AE3 conveniently complies with lead-free solder process requirements.

The protection functions of this TVS diode can be divided into two categories: current transfer and voltage transfer. The current transfer function is mainly realized by the parasitic PN junction in the device, and the voltage transfer function is realized by the Zener action of the internal PN junction. When the external voltage is largert than the breakdown voltage of the built-in PN junction, the Zener action will make the current surge sharply.

Moreover, TVS diodes provide surge protection solutions for certain modems, routers and other equipment that require external ESD (electrostatic discharge) protection, without adding much bulk to the design. TVS Diodes are also used to protect signal lines and power supplies from over-voltage damage. They are suitable for circuit protection in a wide range of applications, including industrial, commercial, computers, communication, peripherals, consumer electronics, automotive, and HVAC.

At its core, the working principle of the MXLSMLG16AE3 TVS Diode is the same as any other TVS diode. First, it senses changes in DC voltage and responds to those changes by conducting current more readily when the voltage exceeds its breakdown voltage. When it is conducting, it shorts out the surge and limits the device’s voltage thus protecting the device from damage.

The diode usually fails in short circuit mode after turning it off, and usually doesn\'t damage the equipment it is protecting. This makes it the ideal choice in many circuit protection designs, as it is designed to fail in a safe mode. When the problem is fixed, the TVS diode can be easily replaced and the circuit will be back up and running quickly.

Overall, the MXLSMLG16AE3 is a cost-efficient, energy-saving and reliable solution for protecting low power circuits from over-voltage transients. With its ultra-small, low-profile package design, it enables applications to add extended protection levels for basic ESD (Electronic Static Discharge) and transient protection without any major hindrances to their design.

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