MXP4KE11CA Circuit Protection

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TVS (Transient Voltage Suppressors) diodes, often known as crowbar circuits, are electrical components primarily used for EMI (electromagnetic interference) protection of electronic circuits. The MXP4KE11CA is a series of three-terminal TVS diodes designed for protection against transient voltages. It is optimised for ESD (electrostatic discharge) protection and offers a low clamping voltage and ESD protection up to 15 kV (HBM).

The MXP4KE11CA is an ideal device for protecting against ESD damage, temporary overvoltage conditions, and lightning surges in communication, industrial, and automobile applications. This device features an integrated circuit protection clamp, which helps protect against voltage spikes and surges, enabling it to be used in high-voltage applications such as power supplies, automotive electronics, and telecoms. In addition, the MXP4KE11CA has an exceptionally wide operating temperature range from -55°C to +150°C, making it suitable for both industrial and extreme temperature applications.

The working principle of the MXP4KE11CA is based on a voltage-dependent switch which is opened and closed when the voltage signal exceeds a certain threshold. When the voltage signal exceeds the threshold, the switch turns on and a current flows through the device, allowing the voltage to be steered away from vulnerable circuits. This process occurs rapidly enough to prevent damage or interference with critical components in the circuit.

In addition, the MXP4KE11CA features a low clamping voltage, fast response time, and a high power-handling capability that make it well-suited for ESD protection in a wide range of applications. The device is also designed with an automatic reset function to avoid potential problems caused by sustained overvoltage spikes. The MXP4KE11CA is available in a variety of packages to meet specific application needs.

Overall, the MXP4KE11CA is a reliable TVS diode that offers maximum protection against transient voltages. Its low clamping voltage, wide operating temperature range, fast response time, and high power-handling capability make it suitable for a wide range of applications, from automotive electronics to telecoms. The automatic reset function offered by the device also ensures that it does not remain damaged in the event of a sustained overvoltage surge.

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