ATV15C351J-HF Circuit Protection

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TVS diodes, which stands for Transient Voltage Suppressor, is a type of electronic device widely used to protect other sensitive electronics from high-voltage, high-energy transients. This protection is accomplished by clamping the voltage to safe levels by its clamping action when the transient voltage exceeds either the breakdown voltage or the clamping voltage. The ATV15C351J-HF is a surface mount bidirectional, low voltage TVS device built specifically for protection against ESD, lightning and other potential disturbances.

The ATV15C351J-HF has a few key features, which make it a great choice for providing protection for a variety of applications. It has an operating voltage of 5.0V(12.0V maximum) and a breakdown voltage of 18.0V. The voltage clamp is rated at 22.45V. It also has a low capacitance of 1.0pF and an ultra fast response time of just 2.0ns meeting the IEC 61000-4-2 level 4 requirements. This device is also RoHS and REACH compliant.

In terms of its applications, the ATV15C351J-HF is ideal for protection of components from electromagnetic interference (EMI) and electrostatic discharge (ESD). It is mainly used in Ethernet lines, port protection, point-of-sale (POS) terminals, and other I/O equipment where such protection is needed. The device can also be used in data acquisition systems, automotive systems, and mobile communication applications.

The ATV15C351J-HF also works on the principle of avalanche breakdown. This occurs when there is a breakdown of a reverse biasing PN junction in a diode and large number of electrons and holes are generated. This avalanche current is many times larger than the current flowing through the junction normally and is what allows the device to clamp a voltages and keep them within acceptable levels.

By using this mechanism the ATV15C351J-HF can provide superior protection while maintaining an excellent level of performance. It’s low capacitance, ultra fast response time, and RoHS/REACH compliance steps it ahead of many competing TVS diodes in the arena of protection. This makes it the ideal choice for applications in which surge and ESD protection are key priorities.

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