MXLCE170AE3 Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MXLCE170AE3 is one of the most reliable and widely used TVS - Diodes, used to protect sensitive electronic circuits from transient overvoltage surges. In this article, the application field and working principle of MXLCE170AE3 will be discussed in detail.

The MXLCE170AE3 is essentially a bi-directional semiconductor device with a dual line of protection that utilizes a combination of avalanche breakdown, zener breakdown, and snapback mechanisms to provide line-to-ground protection up to 170V. It is perfect for applications such as automotive, telecom and industrial, where transient voltages (EMI) in two directions (positive and negative) are likely to occur. Also, the device offers superior suppression capability and can handle up to 40A peak pulses.

From a technical perspective, the MXLCE170AE3 is based on a MOV (or Metal Oxide Varistor) technology with a time-delayed trigger (snapback) mechanism. It operates by actively clamping or redirecting the high-temperature current that is generated by the overvoltage transient. This surge-current is dissipated in the device by the MOVs to the point where the transient voltage is safely contained.

The device incorporates three distinct stages: first, the avalanche breakdown ensures that the voltage does not exceed the user-defined threshold voltage (170V). Next, the zener breakdown reduces the induced voltage by providing a path to ground. Finally, the snapback mechanism utilizes a time-delay to reset the MOVs and ensure continuous operation. This combination of three protection technologies ensures exceptional performance throughout the application.

The application field of the MXLCE170AE3 device is broad and includes automotive systems (engine control, entertainment, navigation, analytical instrumentation, etc.), telecom and networking devices (cable modem, DSL modem, router, etc.), industrial control systems (UPS, PLC, etc.), medical systems, and consumer electronics.

It can be used in these systems to protect sensitive electronic components from transient voltages, as well as to protect against overvoltage, reverse polarity, and open-circuit faults. The MXLCE170AE3 can also be used in safety-critical systems, such as automotive and medical applications, to ensure proper circuit operation.

In summary, the MXLCE170AE3 is a highly reliable and versatile TVS - Diode that can protect sensitive electronic components from overvoltage transients. It is based on MOV technology, with a time-delayed trigger (snapback) mechanism that actively clamps the induced current and redirects it to ground. The device provides protection up to 170V in bi-directional operation, and can be used in applications such as automotive, telecom and industrial systems, medical systems, and consumer electronics. It is an ideal choice for safety-critical applications, such as automotive and medical applications, where reliable operation is essential.

The specific data is subject to PDF, and the above content is for reference