P6KE440A-HF Circuit Protection

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TVS (transient voltage suppressor) diodes provide the ideal solution for protecting delicate electronics from voltage spikes and transients. The P6KE440A-HF is a high-speed, bidirectional protection device designed specifically for automotive applications. It combines low capacitance, low voltage clamping, and excellent surge handling capability making it an ideal choice for protecting against ESD, EFT, and load dump.

P6KE440A-HF devices are highly reliable middle and low power transient voltage suppressor diodes that offer protection from lightning and other voltage surges. They use advanced high voltage junction technology that reduces leakage currents and increases the amount of energy that can be absorbed during a voltage spike or transient event. This makes them well-suited for industrial, automotive, and consumer electronics applications, as well as telecommunications and information technologies.

The P6KE440A-HF has a maximum reverse stand-off voltage of 400V, a maximum peak pulse power dissipation of 5900W, and a breakdown voltage of 11.3V. It also features a low capacitance that helps reduce signal interference. The device is designed to react quickly to voltage transients, suppressing the voltage before it can cause any damage to sensitive components.

The P6KE440A-HF is based on the reverse breakdown voltage principle. It uses a silicon diode to absorb the surge energy, which is then diverted away from the circuit board. It is rated to handle a peak surge current up to 6600A, with a fast response time of 3µs or better. This makes the device suitable for high-speed, bidirectional protection, allowing for a wide over-voltage protection window.

To ensure reliable protection, the P6KE440A-HF is equipped with an in-line fuse link for additional protection against short-circuits. The fuse will open when the current ratings are exceeded, preventing further damage to the system. The device is also designed to ensure that the diode can sustain high temperatures, even during a long transient event.

In summary, the P6KE440A-HF provides an ideal solution for a wide range of applications, from consumer electronics to industrial and telecommunications. It is designed to provide high-speed, bidirectional protection against the damaging effects of voltage spikes and transients. This device offers a low capacitance to reduce signal interference, and a fast response time to ensure that it will effectively suppress voltages before they can cause any damage to sensitive components. With its high temperature rating, and additional protection provided by the in-line fuse link, the P6KE440A-HF is the perfect protection solution for many different applications.

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