SMCJ200A

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SMCJ200A is a series device of Uni-Dir Transient Voltage Suppression (TVS) diode which is manufactured and supplied by Littelfuse Incorporation. It provides a high level of ESD and avalanche protection and is widely used in the IT industry, communication and consumer applications.

This Uni-Dir Transient Voltage Suppression diode is designed to protect the system from high levels of static electricity and transient voltage, such as electrostatic discharge (ESD). The SMCJ200A is rated in volts for peak pulse power dissipation. It provides protection through surge currents up to 200A and its peak pulse current capacity is 4000A. Its breakdown voltage is 200V, and its peak pulse power rating is 600W. It is available in do-214AB surface mount package.

The working principle of Uni-Dir Transient Voltage Suppression diode is similar to the zener diode but much more reliable. The semiconductor reverse breakdown region of the diode acts as a switch to help protect the equipment from overvoltage. When the voltage across the diode reaches a certain threshold, the diode will conduct current, allowing the excess current to be drained away, allowing the device to reset and return to its normal operating voltage.

In the IT industry, SMCJ200A can be used for protecting Ethernet systems, modems, hubs, and switches from overvoltage. It can also be used to provide protection for systems connected to the internet, such as high-speed routers. In communication applications, it can be used for protecting high-speed broadband lines from overvoltage. In consumer applications, it can protect consumer electronics such as televisions, mobile phones, and electronic appliances from transient voltage.

The SMCJ200A is also used in automotive applications, such as for voltage signal and data line protection. It can also be used for lightning/surge protection of on-board electrical systems. It is an excellent choice for protecting communication and signal lines from electrical transients and surges.

To sum up, the SMCJ200A is an important component of Uni-Dir Transient Voltage Suppression (TVS) diode series, providing peak current protection up to 200A and peak pulse current of 4000A. It has many applications in the IT industry, communication, consumer electronics, and automotive applications. Its working principle is based on the semiconductor reverse breakdown region of the diode acting as a switch and providing protection from overvoltage.

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