MXL1.5KE20CA Circuit Protection

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Transient Voltage Suppressors (TVS) are active semiconductor components that provide transient protection from high voltage spikes in electronic circuits. The MXL1.5KE20CA is a unidirectional TVS diode used to protect against over-voltage events such as electrostatic discharge (ESD) and electrical fast transients (EFT).

Application Field of MXL1.5KE20CA

The MXL1.5KE20CA offers maximum stand-off voltage (VWM) of 20V and a peak pulse current (IPP) rating of 1.5kA. This makes it suitable for a range of applications including low-voltage power supplies such as DC/DC converters and AC/DC power adapters. It can also be used in communication interfaces such as USB, Ethernet, and RS232. These components are designed to protect sensitive circuits, such as processors, memory, and other high performance integrated circuits.

Working Principle of MXL1.5KE20CA

The MXL1.5KE20CA consists of a PN junction protected by a zener diode. When the applied voltage exceeds the breakdown voltage, the diode starts to conduct current. During the conduction time, the energy of the surge is distributed across the zener diode, thus reducing its impact on the protected circuit. After the surge, the diode returns to its off-state to provide protection against future transient events. This ensures the optimal protection of sensitive circuits.

In addition, the MXL1.5KE20CA also features an integrated thermal shutoff mechanism. This feature automatically reduces the peak current flow when the temperature around the diode exceeds a predetermined level. This prevents unwanted heating and potential damage to the surrounding components.

The MXL1.5KE20CA is also designed with overvoltage protection, which is provided by a zener diode breakdown mechanism. During a surge, the voltage at the protected terminal will be clamped to the breakdown voltage of the diode. This helps to ensure that the voltage at the protected terminal is within a safe limit.

The MXL1.5KE20CA is designed with PN junction devices that are capable of both ESD and EFT protection. These devices can withstand high Energy levels and provide an ultra low Clamping Voltage (VCL) which helps prevent device damage.

Overall, the MXL1.5KE20CA is an efficient and cost-effective solution that can provide reliable transient protection for sensitive circuits. It is small in size and can be easily integrated into a wide variety of applications. In addition, it is RoHS compliant, making it suitable for use in a variety of industries.

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