MXLCE10AE3 Circuit Protection

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TVS - Diodes come in different shapes and sizes to suit every electronic component varying application fields. The MXLCE10AE3 is one such transient voltage suppression diode designed to achieve the successful circuit protection, safety despite huge energy spike and surge while operating in extremely harsh environment.

The nominal reverse stand-off voltage of the MXLCE10AE3 is 10 Volts with an operating current of maximum 5 Amps, a peak pulse current rating of 175 Amps and a peak pulse power rating of 350 Watts. It is encapsulated in plastic SMD which is UL94V-0 flame retardant package making it ideal for applications where space is limited. It also boasts to have excellent clamping characteristics, ESD protection and an outstanding protection against transient surges due to its relatively low capacitance.

The principle employed by the MXLCE10AE3 to function effectively is the reverse bipolar avalanche breakdown mechanism. A detailed explanation of this mechanism can be seen in figure 1 below.

When the diode is in the reverse-bias mode a small leakage current flows across the junction. When struck with a high magnitude pulse or even from an ESD inducing activity, the applied voltage causes a highly localized electric field increase near the breakdown junction; the dielectric strength rapidly falls. This results in avalanche breakdown, meaning the minority carriers of the junction, electrons and holes, are accelerated in the electric field. As they gain velocity, they collide with the crystal lattice atoms and generate more electrons and holes, leading to the formation of a sustained electron/hole current thus inducing a low impedance path nature to the applied voltage.

Within the given operating voltage range of the reverse stand-off of the MXLCE10AE3 lies its applications. This particular diode has wide variety of application fields in industrial environment surrounding. Such includes electronic power switch protection, IT switch protection, port protection, over-voltage protection devices, telecom & network equipment protection, lightning protection, current limiting and ESD protection as well.

Furthermore, the robust plastic SMD package of the MXLCE10AE3 makes the module suitable for harsh environment monitoring sites such as weather station setups and occasionally remote sites. This is because it offers enhanced durability and reliability as compared to conformal coating which is exposed to deterioration over time.

In summary, the MXLCE10AE3 offers excellent circuit protection against high voltage and current spikes, large surge and lightning strikes while functioning in very fluctuating and hostile environment. It is also able to bear extreme temperatures, high vibration, humidity, ESD and other corona disorders. Considering the concerned application fields, the MXLCE10AE3 is one of the best transient voltage suppression diodes produced in the market today.

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