S43LCC0403TR Circuit Protection

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A transient voltage suppressor diode, also known as a TVS diode, is an electronic component with two layers of semiconductor material and an electrode junction. These diodes are designed to protect sensitive electronic equipment against overvoltage surges. The S43LCC0403TR is a TVS diode device designed to provide superior overvoltage protection for high-speed data interface systems. This device is optimized for differential and common mode transient performance.

The S43LCC0403TR has a wide range of applications in electronic data systems. It can be used to provide overvoltage protection for bus, Ethernet, Thunderbolt, USB 2.0 and USB 3.0, serial ATA and fibre channel ports. Its low capacitance of 3.2pF makes it ideal for high-speed data systems. The device is rated for 40V and offers ESD protection to levels of ±30kV.

The working principle of the S43LCC0403TR is based on a two-terminal semiconductor junction. When a voltage surge is present, the junction enters a high conductivity state and conducts current away from the protected circuit. This state is known as Avalanche Breakdown, which is triggered by a minimum voltage threshold. The device’s low capacitance helps protect against signal integrity issues caused by over-compensating for capacitance variances.

The S43LCC0403TR is well-suited for use in various types of high-speed data systems. The device offers superior protection from transient voltages and high ESD ratings. Its low capacitance helps ensure signal integrity. With a wide range of applications, the S43LCC0403TR is an ideal solution for protecting sensitive data systems.

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