PESD2ETH-XR

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TVS diodes, or transient voltage suppression diodes, are widely used in applications such as overvoltage and ESD protection. TVS diodes are particularly useful for eliminating surges, shocks, and static electricity. The PESD2ETH-XR is one such TVS diode that provides reliable overvoltage protection for Ethernet applications, making it ideal for use in Ethernet-connected products and systems.

The PESD2ETH-XR is a two-channel transient voltage suppression diode that is designed to protect Ethernet transceiver components from overvoltage transients and ESD shocks. The device is offered in a space-saving construction and offers a power dissipation of up to 40 watts. The device features a wide working voltage range between ±4.5V and ±7.0V, making it suitable for a variety of Ethernet applications. It also features a peak pulse current rating of 500A with a clamping voltage of 28V. The device also offers current limiting protection, allowing the device to automatically shut off power to the protected circuit in the event of an overcurrent condition.

The PESD2ETH-XR is designed with two separate channels, each with their own positive and negative polarity for protecting differential signals. With two channels, the device can provide protection for non-symmetrical and balanced lines in Ethernet applications. As the device is designed to handle both ESD and overvoltage protection, it is well suited for use in sensitive Ethernet applications that require both types of protection.

In terms of operation, the PESD2ETH-XR works by limiting the voltage across a protected line and clamping voltage spikes. The device uses an avalanche breakdown mechanism, which works by allowing the current to flow through the diode until a certain voltage threshold is reached. At this point, the voltage causes an avalanche breakdown, which reduces the voltage across the protected line. This prevents overvoltage transients and ESD shocks from damaging the device or the connected components.

The PESD2ETH-XR is a great device to have in Ethernet applications where both overvoltage protection and ESD protection are needed. The device is fairly easy to install and can provide reliable protection for Ethernet transceivers and components from transient voltage and ESD shocks.

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