MXLSMBJ70A Circuit Protection

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TVS - Diodes is a protective device that acts as an electrical short circuit. It is designed to protect the attached device from power disturbances, both electrical surges and overvoltages. It works by instantly shortening the voltage across the device, providing a low-resistance path for the current flow and isolating the attached element from the power source. The MXLSMBJ70A is an example of such a device. It is a surface-mountable, low-profile protection device that protects sensitive circuits from overvoltage events.

The MXLSMBJ70A offers higher peak power handling capabilities than many of its counterparts, making it ideal for applications that require reliable protection from transient voltage spikes. This protection device is designed with a multilayer chip substrate and passive components to provide superior performance in both ESD and overvoltage protection. The MXLSMBJ70A works by quickly clamping the voltage across the protected device to the breakdown voltage of the device. This reduces the power dissipation and minimizes the external voltage receiving element.

The MXLSMBJ70A works on both AC and DC voltage sources. It is self-recovery type, which means it does not require a reset after an over-voltage or surge event. The device is designed with high clamping voltage range to ensure that it provides proper protection even when high transient voltages are present. Its ESD Susceptibility is Class 3B, meeting the requirements of IEC 61000-4-2 Level 2. It is capable of withstanding up to 8kV ESD when exposed to direct air discharge. When part of an ESD discharge passes through the device, the diode’s current will be limited by a rectangular-shaped voltage waveform.

The MXLSMBJ70A is suitable for a wide range of applications that require reliable overvoltage protection, such as automotive systems, medical and communication devices, consumer electronics, and industrial equipment. It is available in different packages, including SOP, SMD, and DIP, and in three clamping voltage ranges, namely 16, 20, and 24 V. The device is RoHS- and REACH-compliant, and can withstand temperatures ranging from -55 to +150°C.

In summary, the MXLSMBJ70A is an effective overvoltage protection device designed to protect sensitive circuits from both high voltage ESD spikes and overvoltage events. It is capable of self-recovery and is available in different packages that suit a variety of applications. It is designed with a competent multilayer chip substrate and passive components for superior protection, and is RoHS compliant and able to stand extended temperature ranges. This makes it an ideal choice for applications that require reliable overvoltage protection for both AC and DC voltage sources.

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