MXP4KE36AE3 Circuit Protection

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TVS - Diodes

MXP4KE36AE3 is a unidirectional transient voltage suppressor (TVS). It is a three-terminal array type device used for transient voltage protection of electronics systems. The protective element in the device consists of a series connection of silicon avalanche diodes. The package design is a compact SMB type package with excellent thermal characteristics. This product combines low capacitance and fast reverse response with a low clamping voltage.

Applications

MXP4KE36AE3 is designed for use against lightning surges, ESD, EFT, and other transients events that may occur in automotive and other harsh environments. It is suitable for common mode protection of cable/ thin coaxial lines and power supply lines. It is also suitable for signals and coaxial monitor lines.

Working Principle

MXP4KE36AE3 works by clamping any excess voltage to a safe level and shifting it to the ground, thus preventing it from damaging sensitive equipment. The device comprises an array of avalanche diodes connected in series, each with its own breakdown voltage. The series connection of these diodes ensures that no matter how high the voltage is, the maximum voltage seen by the circuit and devices connected to it will be the device\'s maximum breakdown voltage.

The array is connected between the signal line and ground. When a voltage spike occurs, diodes in the array start turning on one after the other depending on the voltage level present. As the avalanche diodes start to turns ON, the voltage level increases exponentially until the final diode turns ON and the peak voltage is clamped at the device\'s maximum breakdown voltage. This clamps the voltage and thus protects the circuitry connected to the line from damage.

Conclusion

MXP4KE36AE3 is a robust transient voltage suppression device that provides excellent protection against lightning surges, ESD, EFT, and other transient events that occur in automotive and other harsh environments. Its superior design and three terminal array make it ideal for common mode protection in both power and signal lines.

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