MXL1.5KE20AE3 Circuit Protection

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Transient Voltage Suppressors (TVS) are components that protect electrical circuits from transient disturbances, including electrostatic discharge (ESD) and power switching. The MXL1.5KE20AE3 is a two-stage TVS diode which provides superior surge and ESD protection. It contains two different protection diodes in a single package, a high current diode (positive temperature coefficient thermistor – PTC) and a Zener diode. These two protection elements give it faster response time and greater surge protection capability. In this article, we will discuss the MXL1.5KE20AE3 application field and working principle.

Application Field of MXL1.5KE20AE3
The MXL1.5KE20AE3 is a very popular two-stage TVS diode which is suitable for many different applications. It can be used to protect any electronics equipment from transient voltage events, such as ESD, power switching, and electroplating. It can also be used in automotive, military, industrial, and home applications, such as power supplies, computers, modems, and cell phones. It is widely used in the telecom and automotive industries to protect equipment from electrical surges.

Working Principle of MXL1.5KE20AE3
The MXL1.5KE20AE3 is unique among TVS diodes in that it contains two different protection elements, a PTC thermistor and a standard Zener diode. The PTC thermistor is designed to protect against high current and high energy events, such as lightning strikes and ESD. It works by creating a resistance to the flow of current whenever a voltage above its rated value is applied, thus limiting the current flow and protecting the equipment from damage. The Zener diode is designed to protect against lower energy events, such as power switching and momentary voltage spikes. It works by providing an alternate path for the current to flow, thus limiting the voltage increase. The two elements work together to provide superior surge protection and ESD protection.

Conclusion
The MXL1.5KE20AE3 is a two-stage TVS diode that provides superior protection against electrical surges, ESD, and other transient voltage events. It is designed to provide both high current and low energy protection, and is suitable for many different applications. The use of a PTC thermistor and a Zener diode in the same package provides faster response times and greater surge protection capability.

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