MSMLG13AE3

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TVS (Transient Voltage Suppressors) diodes are commonly used to protect sensitive electronic components from over-voltage transients or surges. The MSMLG13AE3 series of diodes are one of the latest TVS diode offerings from UIsic Semiconductor, and they offer a wide range of protection options for a wide range of applications. This article will discuss the application field and working principle of the MSMLG13AE3 series.

Applications Field

The MSMLG13AE3 series of diodes offer a wide range of applications, ranging from automotive applications to industrial applications. In automotive applications, these devices can be used to protect the interior circuits of a car from the electrical changes due to starting, charging, and other daily operations. In industrial applications, the MSMLG13AE3 series can be used to provide reliable protection for AC/DC motor drivers, high-power AC/DC converters, and other various industrial equipment.

The MSMLG13AE3 series is also suitable for consumer electronics applications, with its ability to protect circuit boards from over-voltage transients and surges from external sources, such as power outages or lightning strikes. Furthermore, the devices are compliant with IEC61000-4-2 ESD (electrostatic discharge) standards for up to a ±30kV contact discharge, allowing for reliable protection of sensitive components with minimal additional design efforts.

Working Principle

The working principle of the MSMLG13AE3 series is based on the avalanche breakdown principle of PN junction diodes. The diode begins to conduct current when its PN junction reaches a certain voltage applied across the junction, at which point the voltage drop across the diode becomes significantly low and current begins to flow. This operating voltage is known as the breakdown voltage.

Once it exceeds the breakdown voltage, a large current will flow through the diode, leading to local dissipation of the excess energy, and thus dissipating the excess electrical energy. This is known as the "avalanche effect".

The MSMLG13AE3 series of diodes also features an internal over-temperature protection circuit that monitors the diode junction temperature, and if it exceeds the maximum rating the device will shut down and open the diode circuit. This feature ensures reliable operation for long terms of time.

Conclusion

The MSMLG13AE3 series of diodes provide a wide range of protection options for a wide range of applications. The device operates on the principle of PN-junction avalanche breakdown and features an internal over-temperature protection circuit. These features make the MSMLG13AE3 series an excellent choice for protecting sensitive electronic components from over-voltage transients and surges.

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