MXLCE43A Circuit Protection

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With the rapid development of the era of intelligent electronic products, various kinds of power supply protection devices are also widely used. The MXLCE43A is one of the main types of devices used in the field of power supply protection, specifically in the TVS - Diodes. So what is the application field and working principle of the MXLCE43A?

MXLCE43A is a ultra-low capacitance transient voltage suppressor (TVS), fabricated in advanced low voltage process. It is designed to protect sensitive components from high voltage spikes, reduce EMI / RFI noise and ensure positive working life. The product is compliant with the IEC 61000-4-2 (ESD) international standard and is suitable for today\'s high speed data interface. It has ultra-low capacitance, ultra-high clamping voltage, very good (ESD, EFT) protection level, ESD capability of up to 30KV (human body model), and EFT (lightning model) up to 5KV.

The application field of MXLCE43A mainly includes high-speed signal line, power supply and other peripheral equipment for the above, such as data link, USB interface, hard disk interface, video and memory card etc. It is used in the high-voltage test of high-speed signal line, ESD protection of device interface, and it is also used to match with the surge suppressor module in the power supply circuit of electronic equipment.

The working principle of MXLCE43A is that when an external surge voltage is applied to the device, the voltage divider between the electrodes charges the internal capacitance of the device, so that the stored energy is released to reduce the amplitude of the surge voltage. When the voltage across the P+/P- exceed the device clamping voltage, the MXLCE43A will be triggered to turn on and provide a low impedance path to limit the voltage to the device clamping voltage. When the over-voltage disappears, the MXLCE43A will close automatically and restore the original state.

In conclusion, MXLCE43A is a ultra-low-capacitance transient voltage suppressor, mainly used in the TVS - Diodes power supply protection field. The ultra-low capacitance, ultra-high clamping voltage and excellent protection level make it an ideal choice for today\'s high speed data and signal line protection application.

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