MP5KE20AE3

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TVS - Diodes

TVS devices, or Transient Voltage Suppressive, are also known as Transient Voltage Surge Suppressors. They are fairly commonly used in a wide variety of applications, and one particularly popular type is the MP5KE20AE3. This article will discuss application fields and working principles of the MP5KE20AE3.

Application Field

The MP5KE20AE3 is unusually robust when it comes to power clamping, with capabilities up to a 20A peak current. It is designed to accommodate 6V to 220V power rails. It has an operating temperature range of -55C to +150C, allowing for it to be operational in a wide variety of conditions. This makes it suitable for automotive applications, where the operating temperature may vary due to changes in weather and other environmental conditions. It is also designed for both AC and DC power applications.

The MP5KE20AE3 can be used for data line protection for automotive and industrial power supplies, monitors, and other equipment. This protection is necessary to help prevent malfunction, breakdown, and in some cases, fire.

Working Principle

The MP5KE20AE3 obtains its protection by handling the overvoltage conduction current. Like most other TVS devices, this is done by creating a conduction channel from its cathode to its anode, better known as its breakdown voltage. When the voltage rises to this level, the device turns on and redirects the voltage away from the circuit and down the anode path.

When the voltage falls back below the breakdown voltage by more than a certain amount, the device turns off and the conduction pathways no longer exist. This helps to prevent any further voltage from entering the circuit, and thus protects the connected components from damage. This way, the device is able to provide the desired power-clamping of its connected components, while still allowing for normal operating voltages.

Conclusion

With its impressive power-clamping characteristics, the MP5KE20AE3 is a great solution for automotive and industrial applications. It is designed for both AC and DC power applications, and is suitable for a wide variety of operating temperatures. It is able to protect the connected components from overvoltage, by creating a conduction path and redirecting the voltage away from the circuit.

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