MXSMBJ30A Circuit Protection

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Transient Voltage Suppressors (TVS) diodes, also known as Transient Voltage Suppressors Diodes (TVS-Diodes), are unidirectional semiconductor devices that are designed to provide protection from overvoltages, such as ESD, EFT, and lightning. They are primarily used in automotive, server, communication, aerospace, and defense applications, among others. The MXSMBJ30A is a TVS-Diode device that is designed specifically for use in 12 Volt automotive applications. This device is capable of providing ESD protection up to 30 A (8 kV) with very low leakage current.

The MXSMBJ30A features an all-glass body, a glass-filled epoxy encapsulation, and a corrosion-resistant zinc-coated nickel-plated copper base. It is rated for a peak pulse power of up to 400 Watts, which provides protection against large pulse events such as ESD and EFT. The device also features a low breakdown voltage of 13.3 V, and a maximum clamping voltage of 25 V.

The MXSMBJ30A offers an EFT protection of up to 30 A, as well as ESD protection of up to 30 A (8 kV). It is designed to protect sensitive electronics from voltage spikes that can cause damage and malfunctions. The device can be used in a wide range of applications, including automotive, telecommunication, medical, industrial, and consumer electronics.

The working principle of the MXSMBJ30A is based on the avalanche principle of semiconductor breakdown. When a voltage spike occurs, the device acts like a silicon diode, with its junction being triggered into conduction. This conduction causes a current flow to divert the voltage spike from the protected electronics.

Once the voltage spike has been diverted, the device then turns off and begins its recovery time. This recovery time is necessary to reset the device so that it can provide protection against future voltage spikes. The device typically requires a few microseconds to reset to its original voltage level, and it can provide protection for up to 1 million transient events.

The MXSMBJ30A can be used in a variety of 12 Volt automotive applications, including audio, lighting systems, and power circuits. It also provides excellent protection against ESD, EFT, and lightning events. Furthermore, its low breakdown voltage of 13.3 V and a maximum clamping voltage of 25 V make it well suited for sensitive electronics.

In summary, the MXSMBJ30A TVS-Diode is a robust and reliable device that is designed for use in 12 Volt automotive applications. It is capable of providing up to 30 A ESD and EFT protection, as well as protection from voltage spikes that can cause damage to sensitive electronics. The device is designed to reset after each transient event, and it can provide protection for up to 1 million transient events. The device also features a low breakdown voltage and a maximum clamping voltage, making it suitable for protecting sensitive electronics.

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