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TVS - Diodes

TVS (Transient Voltage Suppression) diodes are widely used in different electronics applications. They are designed to provide overcurrent and overvoltage protection for different electronic components or equipment. The MXLUPTB15E3 is one such TVS diode, which is used for various applications. In this article, we will take a look at its application field as well as its working principle.

Application Field

The MXLUPTB15E3 is designed for a wide range of applications, including automotive, consumer electronics and industrial applications. It can be used as a ESD (electrostatic discharge) protector in automotive applications, to protect against overvoltages and short-circuit currents. In consumer electronics, it can be used to protect against voltage spikes and bursts in batteries, to prevent damage to sensitive electronics. In industrial applications, it can be used to protect against overvoltages and surges, such as in circuit breakers and circuit protection devices.

Working Principle

TVS diodes, including the MXLUPTB15E3, work on the principle of avalanche breakdown. When the voltage across a diode reaches a specific value, called the avalanche voltage, the diode starts to allow current to flow through it. This process is known as avalanche breakdown, and it occurs when the voltage reaches a level that exceeds the diode’s breakover voltage. When this occurs, a large number of charge carriers (electrons and holes) are generated, which causes the voltage to drop quickly and prevents circuit damage due to transient overvoltage.

When the voltage across the diode returns to normal, the diode stops conducting and the circuit resumes to normal operation. This process can repeat itself when an overvoltage condition is present. It is also possible to control the characteristics of the diode, such as its breakdown and reverse breakdown voltages, by adjusting the doping levels.

Conclusion

In conclusion, the MXLUPTB15E3 is a TVS diode designed for a wide range of applications. It has a wide operating voltage range and can provide overvoltage and overcurrent protection. It works on the principle of avalanche breakdown, and can be easily adjusted to tailor its protection characteristics to meet the requirements of specific applications. Overall, it is a useful and versatile device that can provide reliable protection against overvoltages and overcurrents.

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