MXSMBJ12A 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

TVS (Transient Voltage Suppressor) diodes have become increasingly important as ESD protection components, with their applications covering a range of fields related to electrical and electronic technology, such as consumer electronic products, medical electronics, automotive electronics and industrial control. MXSMBJ12A is one of the most common models of TVS diode. This article will discuss its application field and working principle in detail.

Application Fields of MXSMBJ12A

The MXSMBJ12A model belongs to a type of TVS diode known as SMB type. It is specifically designed to provide surge protection and ESD protection for computer data line, consumer electronics and industrial applications. It has an operating voltage range between 5.0-16.0 volts, typically 12 volts, and can be triggered with an ESD event of up to 8kV contact, 15kV air ESD.

The MXSMBJ12A is also suitable for other applications such as automotive electronics, medical devices, communication systems, home appliances, etc. Overall, it is an excellent choice for applications needing ESD protection and surge protection due to its wide operating voltage range and high reliability.

Working Principle of MXSMBJ12A

The working principle of MXSMBJ12A is simple. The device consists of a silicon avalanche diode that is connected between a metal oxide varistor and a Zener diode. When an ESD pulse is applied to the circuit, the avalanche diode starts conducting, thus clamping the voltage and limiting the current. The Zener diode also clamps the voltage to the breakdown voltage of the diode. The metal oxide varistor prevents voltage spikes from occurring in the circuit.

In addition to the basic design, the MXSMBJ12A also incorporates a TVS protection layer, which helps to provide better ESD protection. This layer helps to redirect the surge current from the circuit to ground, thus preventing damage to the rest of the circuit. As a result, the MXSMBJ12A provides excellent ESD and surge protection.

Conclusion

MXSMBJ12A is a TVS diode specifically designed to provide ESD and surge protection for a wide range of applications. It has an operating voltage range of 5.0-16.0 volts, with 12 volts being typical. It has an ESD threshold of 8kV contact, 15kV air, and incorporates a TVS protection layer to provide improved protection. In conclusion, the MXSMBJ12A is an excellent choice for applications needing ESD and surge protection.

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