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TVS - Diodes

Transient Voltage Suppressor (TVS) diodes are semiconductor surge protective devices, designed to protect electrical and electronic circuits against transient voltage. A transient is a spike or surge with a high amplitude and duration of a few microseconds. The MXLCE54AE3 is one of these TVS diodes, it is a unidirectional, low capacitance, ESD-protected, flat diode. It functions by clamping the transient voltage which helps to protect the attached circuit.

Application Field

The MXLCE54AE3 is ideally suited for applications in consumer, industrial and automotive equipment. It can be used for both AC and DC applications, typically at cabling and connectors, and also at component pins exposed to the outside world, such as a BNC connector on a video card. It is also designed to provide I/O boards with protection in harsh environments.

Working Principle of the MXLCE54AE3

The working principle of the MXLCE54AE3 is based on a zener diode. This diode conducts current into the circuit when the voltage exceeds a certain threshold. This threshold is known as the breakdown voltage. When the breakdown voltage is reached, the zener diode allows current to flow in the opposite direction from the normal direction of current flow. This current flow will cause the voltage across the diode to drop significantly. This creates a voltage clamp, or voltage drop, which reduces the voltage across the device and helps protect the attached device.

The MXLCE54AE3 is designed to protect circuits from transient voltages up to 800 V peak. It is capable of operating over a wide temperature range from -55°C to +125°C with an ESD resistance of greater than 8 kV. The MXLCE54AE3 has an outstanding surge capability of greater than 100 A, with a response time of less than 1 ns.

In summary, the MXLCE54AE3 is a low cost, low capacitance, ESD-protected, flat diode. It functions by clamping the transient voltage which helps to protect the attached circuit from damage due to spikes or surges. It is ideally suited for applications in consumer, industrial and automotive equipment. The MXLCE54AE3 is capable of operating over a wide temperature range, with an ESD resistance of greater than 8 kV, and a surge capability of greater than 100 A.

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