MX1.5KE130AE3 Circuit Protection

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Transient Voltage Suppressors (TVSs) are one of the most common ways to protect an electrical system from power-related events. The MX1.5KE130AE3 is a diode specifically designed to protect against transients such as electrostatic discharge (ESD) and lightning strikes. As a unidirectional device, it works by clamping the voltage to a specific level when the voltage on one side exceeds a breakdown voltage. This article will explain the application field and working principle of the MX1.5KE130AE3.

The MX1.5KE130AE3 is designed to protect against high voltage, high current, and high power transients, making it ideal for use in high-voltage applications such as AC-DC power supplies, telecommunications systems, and LED lighting. It has an operating temperature range of -55°C to 150°C and a peak pulse power rating of 1.5kW. Its ESD rating of 25kV makes it suitable for ESD-sensitive applications, such as portable electronic devices. Additionally, its low leakage current of less than 1μA makes it suitable for low-power applications.

The MX1.5KE130AE3 can be used in three different ways. The first is as a conventional suppressor device. In this application, the device will clamp the voltage at a predetermined breakdown voltage. This clamping action will protect the system from overvoltage transients. The second use is as an ESD protection device. Here, the device will limit the voltage to a safe level when an ESD strike is encountered. Finally, the third application is in low-power protection. In this application, the device will protect the system from low-voltage transients, such as spikes caused by switching transients.

The working principle of the MX1.5KE130AE3 is based on the avalanche breakdown effect. When the voltage on the anode side of the diode exceeds a certain breakdown voltage, the device will conduct current as high as the peak-pulse power rating. This current is then diverted through the diode to ground, which limits the voltage on the cathode side. This clamping action protects the system from any transient voltages higher than the breakdown voltage.

In conclusion, the MX1.5KE130AE3 is a diode specifically designed to protect against transients such as ESD and lightning strikes. Its wide operating temperature range and low leakage current make it suitable for many different applications. The device works by clamping the voltage to a safe level when the voltage on one side exceeds a specified breakdown voltage. This in turn protects the system from overvoltage transients.

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