MXLSMCJ15CAE3 Circuit Protection

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TVS - Diodes

A Transient Voltage Suppression (TVS) diode, also known as a Transil diode, is a type of diode specifically designed to protect downstream electronics and components from high voltage spikes. TVS diodes have a much faster response time than other types of surge suppression devices, typically within nanoseconds. MXLSMCJ15CAE3 is one type of TVS diode widely used in a variety of applications, from power supplies and consumer electronics to automotive and industrial systems.

The MXLSMCJ15CAE3 is a unidirectional TVS device for overvoltage and ESD protection, with a low clamping voltage rating of 15V. It is an ultra-low capacitance array that offers superior protection against ESD and transients in compact packages. It is designed with an electrostatic discharge (ESD)2 contact rating of 8 kV, air-gap discharge of 15 kV, and line-to-ground capacitance of 1.5 pF. These features make the MXLSMCJ15CAE3 ideal for protecting high-speed data systems that are susceptible to overvoltage and ESD damage, including USB ports, smart cards, HDB and HDMI interfaces.

The MXLSMCJ15CAE3 diode features a wide operating range, with breakdown voltage rated at 15V and a maximum clamping voltage of 26V. The device is rated for up to 1.5A of peak pulse current, making it suitable for power-bus and surge protection applications. Its low reverse leakage current ensures low stand-by power consumption, making it ideal for battery-powered applications.

In terms of the working principle of MXLSMCJ15CAE3, the device is designed to absorb and dissipate the energy from an incoming surge of current. This is achieved by the internal circuit of the diode, which includes a junction diode and a Zener diode. As the surge voltage increases, the junction diode is biased into conduction, allowing the excess current to bypass the circuit and be discharged directly to ground. This bypass current is limited by the Zener diode, which prevents the voltage from increasing beyond its breakdown voltage. The device is then able to clamp and contain the surge until it dissipates.

Overall, the MXLSMCJ15CAE3 can effectively protect sensitive circuits from the destructive effects of transient overvoltages and electrostatic discharge. It is suitable for a wide range of applications, from automotive and consumer electronics to industrial systems. With its low capacitance and fast response time, the MXLSMCJ15CAE3 can help ensure the safety of downstream components and electronics, preventing costly repairs or costly device replacements.

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