MXP5KE18CA

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TVS (Transient Voltage Suppressors) Function is a kind of symmetrical components with different protection features. It provides a better way to protect circuits from electrical surges and lightning-induced transients, and it can be used to protect a circuit from destructive electrical over-voltage. A TVS diode is a semiconductor that is designed to clamp the voltage below a certain level.MXP5KE18CA is a type of TVS-Diodes. It uses Zener-type breakdown mechanism to limit the voltage transient during the overshoot.

MXP5KE18CA, manufactured by Littelfuse, is designed to protect high speed data/signal lines from damage or interruptions caused by electrostatic discharge (ESD), electromagnetic interference (EMI) or electrical overstress (EOS). It features ultra-low capacitance of 0.45pF typical (at 1MHz) and fast response time of less than 1.0ps. The device offers a reverse stand-off voltage of 5.0V and a peak pulse power of 360W (8/20µs). It also offers excellent clamping performance with a very low leakage current and clamping voltage.

MXP5KE18CA is typically used in applications such as Ethernet 10/100/1000, USB 2.0, CANBUS, 12V Automotive bus and other high-speed data buses. Some typical applications include automotive telematics, Automotive Ethernet and Networking, and USB data Ports.

MXP5KE18CA works by using Zener-type breakdown mechanism. It is usually connected in series between the signal wire and the ground plane with its cathode side facing the signal line. The device has a breakdown voltage which acts as a voltage clamping device. When the voltage transient exceeds this voltage, the device will quickly clamp the voltage and dissipate the electrical energy by passing the current through the device. This will protect the system from overvoltage and prevent disruptive transient events.

In summary, MXP5KE18CA is a type of TVS-Diodes that can provide protection from transients caused by ESD, EMI and EOS. This device is typically used in automotive telematics, automotive Ethernet, USB ports, and other high-speed data buses. It features a reverse stand-off voltage of 5.0V, fast response time, low capacitance, and excellent clamping performance. MXP5KE18CA works by using Zener-type breakdown mechanism to clamp the voltage transient during the overshoot.

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