MXLLCE17AE3 Circuit Protection

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TVS (transient voltage suppressor) diodes are suppressor components used to protect other components and features from high voltage surges and to protect electronic systems from damages due to power system abnormalities. Under normal conditions, the TVS diode acts as an open switch. As soon as the voltage exceeds the rated clamping voltage, the diode begins conducting, blocking both positive and negative over volatge and maintaining the voltage at the rated level. MXLLCE17AE3 is a popular TVS diode that is widely used in various electronic products, such as automotive and industrial power applications.

The MXLLCE17AE3 is an unidirectional TVS diode that offers excellent ESD, EFT and surge protection in a miniature, low profile package. It is protected from over voltage and reverse voltage by the high voltage field termination, and it features a low clamping voltage, a very low leakage current and a very fast response time. This diode is also designed to be compliant with ISO 10605 for EFT and ISO 61000-4-5 for Surge and ESD.

In terms of application, MXLLCE17AE3 is primarily used in automotive systems, industrial equipment, consumer electronics and smart home systems. It is designed to protect sensitive electronic equipment from damage due to static discharge, electrostatic fields, transient overvoltage, and even lightning strikes. The protection area of this diode extends from power supply to all levels of I/O line, including I/O interface, DC power line, peripheral interface, and various switching circuits.

The working principle of the MXLLCE17AE3 is relatively simple. Under normal conditions, the diode is in reverse breakdown state and is not conducting. When the voltage applied to the diode exceeds the rated clamping voltage, the diode begins conducting, blocking both positive and negative overvoltage. The rated clamping voltage of MXLLCE17AE3 is 13V for ESD, 30V for EFT and up to 57V for surge. As soon as the overvoltage is blocked, the diode will restore the nominal voltage, typically within 5ns, thus providing robust protection of the connected components.

In conclusion, the MXLLCE17AE3 is a robust, reliable and cost-effective way to protect sensitive electronic components from damages due to hot swapping, surge, ESD, and EFT. Its fast response time and low clamping voltage make it an ideal choice for various applications in automotive, industrial, and consumer electronic markets.

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