MP4KE150A

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TVS (Transient Voltage Suppressor) diodes, commonly referred to as "crowbars", are devices designed to protect sensitive electronic components and circuits from various forms of overvoltage transients. The MP4KE150A is a robust unidirectional diode, known as a Thyristor Surge Arrestor Diode (TSAD). It is designed to clamp transients below its rated stand-off voltage (VWM) and break overvoltage events above its rated breakover voltage (VBO).

As one of the most popular and cost-effective solutions for overvoltage and ESD protection, the MP4KE150A is useful in a variety of applications in medical, communications, automotive, consumer and industrial products. It is uniquely designed for maximum robustness in a variety of applications, including protection of high-speed data lines and microprocessors.

The MP4KE150A TVS is a one-way, single-direction diode that works by clamping when the input voltage exceeds the Breakdown Voltage (VBO), to reduce the surge voltage to the desired value. The current will go up, and then pass freely into the ground, and the underlying device is then protected from undesirable voltage surges. It also offers excellent thermal stability and low leakage current.

The MP4KE150A is available in a wide range of packages, from the very small SOD-323 to the very large D2PAK, making it ideal for a large number of applications. Its surge current rating of 150A for the 10/1000΅s pulse allows it to protect against very high-voltage transients.

In a typical application, the MP4KE150A is connected directly between the power supply and the device to be protected. It is also possible to add a series resistor or zener diode to the connection to limit the voltage fed to the protected device. The MP4KE150A will clamp the voltage when it exceeds its Breakdown Voltage (VWM) and will switch off the current when it exceeds its Breakover Voltage (VBO). When a momentary power surge is encountered, the MP4KE150A can short it out, thereby protecting the device it is connected to.

In summary, the MP4KE150A is a robust, reliable TVS diode that provides reliable transient protection for sensitive devices and systems. With a wide range of packages and a wide range of current ratings available, it is suitable for a variety of applications. Its excellent thermal stability and low leakage current make it a reliable choice for protecting sensitive circuits and components from transient over-voltage events.

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