MXSMCJ130AE3 Circuit Protection

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TVS (Transient Voltage Suppressor) diode is a type of semiconductor diode which is used to protect voltage sensitive components from transient voltage, also called voltage spikes or electrical surges. The MXSMCJ130AE3 is a transient voltage suppressor diode from the MXSMCJ series that is designed to protect high speed data lines, such as USB 3.1, from transient overvoltages. This diode employs a Low noise junction structure which allows high-frequency signal integrity to be maintained.

The MXSMCJ130AE3 diode has a silicon body with a stress relieved junction for added reliability. It is designed to protect devices from voltage spikes in the range of 5V to 19V. The diode is also equipped with overvoltage protection and ESD protection up to 8kV, ensuring that the device is protected from even the highest voltage surges. The device has a fast response time of less than 5ns, making it suitable for high speed data lines.

The working principle of the device is simple: the diode is connected in series to the protected data line in order to offer a low impedance path towards ground during voltage surges. The diode is designed to limit the maximum voltage to a predetermined level, which is typically the rated breakdown voltage of the component. The device can either limit the voltage surge to a safe level, or block it entirely.

In applications, the device is usually connected in series between two nodes. When a voltage spike occurs, the diode acts as a switch which redirects any current flow away from the protected nodes and redirects it to ground. This limits the overvoltage protection of the device and ensures that the protected nodes remain safe from serious damage.

In conclusion, the MXSMCJ130AE3 belongs to the TVS - Diode family which is used to protect against voltage surges. The device is designed to offer high frequency signal integrity and has an impressive 8kV ESD protection. The device is connected in series between two nodes and acts as a switch to redirect any current flow away from the nodes and to ground, in order to limit or block overvoltages.

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