SM6S16ATHE3/I Circuit Protection

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A Transil or Transient Voltage Suppressor (TVS) diode is a component designed to protect electronic circuits from voltage spikes. There are a variety of TVS diodes available in the market, each designed in such a way that it can provide protection against different levels of voltage spikes. The SM6S16ATHE3/I diode belongs to this category and it offers various features and benefits. In this article, we will discuss the application field and working principle of the SM6S16ATHE3/I diode.

Application Field

The SM6S16ATHE3/I diode has various applications, such as automotive industry, telecom infrastructure, consumer electronics, industrial control and so on. The diode is designed for protecting electronic circuits from overvoltage transients generated by inductive load switching, lightning and other high voltage transient pulses. It is perfect for applications where high rate of performance and high reliability is required.

The automotive industry uses the diode as it provides excellent protection against transient voltage spikes. Such transient voltage is generally produced due to electrical problems in the vehicles’ wiring system, electrical short circuit and mechanical vibration of the car. The diode is also suitable for telecom infrastructure due to its compatibility with modern telecom technologies. The diode can also be used in consumer electronics to protect against power supply over-voltage.

The diode is also suitable for industrial control, where it helps in preventing field failure due to voltage spikes. The industrial control market primarily implements the diode for controlling electric motors and process control. It also finds its application in medical devices as it helps in preventing damages to sensitive medical equipment due to voltage transient.

Working Principle

The SM6S16ATHE3/I diode works on a simple working principle called “pressure drop”. This principle suggests that when the transient voltage spikes occur, the resistor in the diode drop out and when the voltage comes back to normal, the resistor drops back in. Hence, the diode provides protection against over-voltage.

The diode consists of several components, such as a voltage regulator, a zener diode, a resistor and a capacitor. When a voltage transient occurs, the voltage regulator acts as a barrier and dissipates the excess voltage. The zener diode suppresses the transient voltage, while the resistor drops out and hence dissipates the extra energy through its lead. The capacitor also absorbs the extra voltage and hence prevents it from damaging the circuitry.

The diode also consists of a thermal protection mechanism, which helps in preventing the diode from being damaged due to excessive heat. This mechanism continuously monitors the temperature of the diode and if it goes beyond a certain threshold, it shuts down the diode to protect it from further damage.

Conclusion

The SM6S16ATHE3/I diode belongs to the Transient Voltage Suppressor (TVS) diode family and it is perfect for applications where high rate of performance and high reliability is required. It provides excellent protection against transient voltage spikes and it consists of various components, such as a voltage regulator, a zener diode, a resistor and a capacitor. The diode is suitable for a variety of applications, such as automotive industry, telecom infrastructure, consumer electronics, industrial control and so on. The diode has a working principle called “pressure drop” and it also consists of a thermal protection mechanism to protect the diode from being damaged due to excessive heat.

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