ESD7551N2T5G Circuit Protection

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Transient Voltage Suppressors (TVS) are a type of diode mainly used to protect circuits from overvoltage transients generated by electrical or magnetic means. TVS diodes are typically used to protect systems from lightning and other high voltage surge events. The ESD7551N2T5G is a unidirectional TVS diode suitable for use in a variety of applications.

The ESD7551N2T5G is a small, low-capacitance, unidirectional, Pb-free, radial-leaded device designed for overvoltage protection and ElectroStatic Discharge (ESD) protection applications. This device is compliant to the European Standard EN 61000-4-2 for ESD immunity. The device has an ESD clamping voltage of 28.3V and a maximum junction operating temperature of +125C.

The ESD7551N2T5G is best suited for low speed data line protection such as USB, Firewire, DisplayPort or HDMI. Its low capacitance ensures that the device will not interfere with signal transmission or cause signal degradation. The device also features very fast response times with a minimum clamping voltage of 28.3V, effective over a wide temperature range.

The working principle of the ESD7551N2T5G is based on the Zener diode principle. At normal operating voltages, the ESD7551N2T5G acts like an open circuit, allowing current to pass through freely. When an overvoltage appears, the diode goes into conduction, diverting the current away from the protected circuit. This reduces the voltage across the protected circuit, thus providing protection from overvoltage transients.

The ESD7551N2T5G is ideal for use in any application where overvoltage transients need to be protected. It can also be used in combination with other devices, such as diodes, transistors and opto couplers, to provide an even higher level of protection. The device is available in a range of package styles to suit different application requirements.

In summary, the ESD7551N2T5G is an ideal choice for low speed data line protection and overvoltage transient protection. Its low capacitance ensures that signal integrity is maintained while its fast response time ensures that the device can effectively protect against overvoltage transients. It is available in a range of package styles to suit different application requirements and its Pb-free construction make it suitable for RoHS compliant designs.

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