MXRT100KP40CAE3

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TVS-diodes, short for transient-voltage-suppression diodes, are designed to protect sensitive electronic components from voltage surges. They are the first line of defence for electrical components from lightning strikes, high-voltage switching and high-current transients. One such device is the MXRT100KP40CAE3, a uni-directional and ultra-low capacitance TVS-diode.

The MXRT100KP40CAE3 is designed for high-speed data lines protection from transients in automotive applications. It has a low standoff voltage of 16V, a low clamping voltage of 25V, a fast response time of 4ns and a low capacitance of just 0.3pF in order to guarantee Ethernet transmission lines signal integrity. The device operates on a rated power dissipation of 500W and can with stand working temperatures of up to 150°C. It also features an inbuilt ESD protection of 8KV for its input and output pins.

The working principle of the MXRT100KP40CAE3 lies in its electrostatic discharge (ESD) protection. This protection is based on the increased current flow that creates a conductive path from the input to ground. The diode’s typical application circuit shows the addition of varistor at the anode and a Schottky diode at the cathode, which both contribute to the device’s transient suppression. The working principle is simply based on the device operating as a reverse-biased diode that is capable of protecting against transients higher than the breakdown voltage of the PN-junction.

The current limiting qualified characteristic of the MXRT100KP40CAE3 makes it suitable for applications such as automobile instrument clusters, digital audio processors, high-speed data transmission lines and LVDS applications. The device’s low capacitance makes it ideal for use in DACs, audio amplifiers and Modems, as low capacitance ensures superior signal integrity. As the device has an ultra-low capacitance, does not degrade due to multiple surge events and has wide operating-temperature range, it makes it the perfect candidate for high-speed data lines protection in automotive applications.

In conclusion, the MXRT100KP40CAE3 is a uni-directional and ultra-low capacitance TVS-diode designed for high-speed data lines protection from transients in automotive applications. It operates on a low-standoff voltage of 16V, a low clamping voltage of 25V and a fast response time of 4ns. The device also features an inbuilt ESD protection of 8KV and can with stand working temperatures of up to 150°C. The device is suitable for applications such as automotive instrument clusters, digital audio processors, high-speed data transmission lines and LVDS applications.

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