MXLSMCGLCE90AE3 Circuit Protection

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The MXLSMCGLCE90AE3 is a component of the TVS (Transient Voltage Suppressor) Diodes family. TVS devices are used to protect electronics from high voltage transients generated by ESD, lightning strikes, and other causes. This particular component is a unidirectional device, meaning it is much like a diode, allowing pass-through voltage in one direction only.

Before discussing the application fields and working principle of the MXLSMCGLCE90AE3, it is important to understand what is meant by TVS diodes and why they are used. TVS (Transient Voltage Suppression) diodes are components included in power electronics systems to limit or absorb voltage spikes in order to prevent damage to components caused by overvoltage. They are designed to suppress fast transient voltages and typically have a response time of a few nanoseconds while also featuring a handling capability of up to 1kA for certain models.

The MXLSMGCGLCE90AE3 is a unidirectional device with a 30V reverse breakdown voltage and 10A leakage current. Its on-state voltage is 0.5V max and its low clamping voltage is approximately 17.5V. Its fast response time makes it ideal for systems which work in extreme environment where lightning strikes and power surges are likely happen.

Typical applications of the MXLSMGCGLCE90AE3 include automotive, industrial, medical, telecommunications, and consumer electronics industries. In the automotive sector, such diodes are used as ESD protection in anti-lock braking systems, engine management systems, and other modules. In the medical sector, they are used in autoclaves, imaging equipment, and other life-sustaining systems. In the telecommunications market, they are commonly found in PBXs, telephones, modems, and other telecom devices. Finally, in consumer electronics, the diode is used to protect components from static voltage on cables, power supplies, and other applications.

The key benefit of TVS diodes, such as the MXLSMGCLCE90AE3, is that they limit energy stored within the diode, allowing for a more efficient circuit design and higher energy efficiency of the system overall. They also help to reduce the impact of transient voltages on the system, allowing it to operate normally in extreme environmental circumstances.

To understand the actual working principle of the MXLSMCGLCE90AE3 it is necessary to understand how the component functions when a voltage spike is present. When the surge voltage is present, the diode will start to conduct current until the voltage reaches the breakdown voltage level. At this point, the diode will enter a saturated region and the current will pass through it, reducing the system’s overall voltage. This helps to reduce the expected electric shock as the sudden change in current is limited.

When the voltage return to normal levels, the diode will revert to its non-conductive region, allowing the system to work as required. Meanwhile, some of the energy stored within the diode will be dissipated as heat, helping to reduce the risk of system failure due to extensive voltage transients.

In conclusion, the MXLSCMGLC90AE3 is a member of the TVS (Transient Voltage Suppressor) diode family. It is a unidirectional device with a reverse breakdown voltage of 30V, allowing energy stored within the device to be dissipated as heat and help protect the system from high voltage transients. The component is ideal for systems which are likely to experience power surges due to its fast response time and is commonly used in the automotive, medical, telecommunications, and consumer electronics industries.

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