MX1N8167

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A TVS diode is an electronic device that is designed to protect other electronic components from any abrupt voltage surges. By working as a protective shield, these components ensure the smooth running of electrical systems. Among such TVS diodes, the MX1N8167 by Matsushita Electric Works is a highly used and appreciated device. Its application fields and working principle are discussed in the following.

Application Fields

The MX1N8167 is a bidirectional diode that was specifically designed to prevent voltage transients in communication and electronic control systems. It is also used to mitigate damage in automotive, consumer, and industrial electrical equipment as well. Thanks to its high pulse-power rating, up to 400W peak pulse power and up to 3000W surge power, this smart diode is suitable for a variety of power surge applications. Moreover, its compact surface mounting and auto insertion capability make it a welcomed and easy-to-use choice.

Working Principle

The MX1N8167 device is an overvoltage suppression diode that combines an overvoltage protection diode (ORP) with a SNUBBER or Zener diode. In normal operation, the ORP will conduct current as long as the applied voltage is higher than its breakdown voltage, and the SNUBBER diode will allow the current to pass in the forward direction until the current reaches its rated current. When the voltage exceeds the breakdown voltage of either the ORP or the SNUBBER diode, the device will typically become non-conducting. This ensures protection of the power supply and the connected system from excessive current or voltage.

The MX1N8167 also includes an ESD (electrostatic discharge) protection diode to protect the device from ESD events. This diode is triggered when higher voltage occurs during an ESD discharge. It quickly clamps the voltage near to the breakdown of the diode, thus limiting the damage due to the event. The device is further protected from ESD by an internal EMI filter, which helps to reduce the EMI radiation generated by the diode.

The MX1N8167 is a popular choice among TVS diodes. By combining the ORP, the Zener diode and the ESD protection diode in a single package, it efficiently protects electronic systems from voltage transients and ESD events. Its vast applications and high performance make it an important asset in many industries.

Conclusion

The MX1N8167 by Matsushita Electric Works is a popular diode among TVS diodes, used to protect electronic systems from voltage transients and ESD events. Its wide application fields and high performance make it an invaluable asset in many industries. Its ORP, Zener diode and ESD protection diode in combination, give it the ability to quickly respond and limit the voltage or current when required, thus ensuring the secure operation of the system.

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