MX1.5KE68A Circuit Protection

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TVS - Diodes are increasingly being incorporated into circuit protection systemsfor all kinds of electronic equipment. Among them, the MX1.5KE68A seems to be showing up in more and more applications. Let’s take a closer look at its application field and working principle.

What is MX1.5KE68A

MX1.5KE68A is a medium-power SMD (Surface Mount Device) Transient Voltage Suppressor (TVS) diode. As an ultra-low capacitance ESD protection component, it ensures ESD susceptibility level for common interface standards like IEC 61000-4-2 (ESD) ±15kV (air/contact). With its fast response time, which is necessary for ESD protection, it provides reliable protection for even the most sensitive system parts.

Application Field of the MX1.5KE68A

The MX1.5KE68A is primarily used as protection against electrostatic discharge (ESD) by directly mounting on printed circuit boards (PCBs). Its SMD design makes it especially suitable for applications with higher density assembled systems. They are commonly used in computers and their peripherals, smart home devices, automotive electronics, industrial control systems and consumer electronic devices such as cell phones, digital cameras, camcorders and tablets.

Working Principle of the MX1.5KE68A

The main job of TVS - Diodes is to absorb and dissipate electrostatic energy, in order to reduce the impact from the high voltage ESD on vulnerable components. The MX1.5KE68A’s working principle is quite simple, mainly comprising of two steps.

The first step is to sense the high voltage when ESD occurs, which triggers the diode into action. It begins to form a low resistance path, creating a simple voltage divider. This diverts the high power ESD current to ground, thus reducing the voltage that appears on the protected line.

In the second step, the MX1.5KE68A begins to absorb and dissipate the large energy spike caused by the ESD. It functions like an electrical fuse, absorbing and then dissipating the excess current before it can damage sensitive electronic devices. With its ultra-low capacitance, it can provide maximum protection for even the most sensitive system parts.

Conclusion

The MX1.5KE68A is an increasingly popular SMD TVS diode that is widely used in a variety of applications due to its fast response time and effective ESD protection. Its simple yet effective working principle is based on sensing high voltage ESD and diverting the excess energy currents to ground, thus protecting vulnerable electronic systems and components. So the next time you are looking for an effective yet economical option for ESD protection in your applications, consider the MX1.5KE68A.

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