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MX1.5KE110A application field and working principle

The MX1.5KE110A is a popular model of TVS (Transient Voltage Suppressor) diode. It is mainly used for overvoltage protection of electronic equipment, such as power supply systems, data lines, and automotive systems. The main function of the TVS diode is to clamps excitation voltage to the breakdown point of the device, thus providing surge and overvoltage protection.Different from the Zener diode, the TVS diode has a faster response time and can fully absorb sudden voltage surge. It can be used in power supplies with input voltage up to 230V. The MX1.5KE110A can effectively suppress instantaneous surge of more than 5.5kV.

Working Principle of MX1.5KE110A

The working principle of the MX1.5KE110A TVS diode is based on the avalanche effect of the diode. The junction can quickly change from blocking voltage state to the low resistance breakdown voltage state when the reverse voltage reaches a certain value.

Characteristics of MX1.5KE110A

• Surge current: 150A (8/20μs)
• Transient peak voltage: ±5.5kV
• Working voltage: 11V
• Operating temperature range: -40 to +125℃

In order to achieve effective suppression, the TVS diode should be added as close as possible to the component to be protected. When selecting a TVS diode, and considering the magnitude of the overvoltage, the peak pulse voltage of the TVS diode should generally be 1.5 times or more than the maximum overvoltage value.

Conclusion

The MX1.5KE110A model belongs to TVS (Transient Voltage Suppressor) diodes. It is mainly used for overvoltage protection of electronic equipment, such as power supply systems, data lines, and automotive systems. Its working principle is based on the avalanche effect of the diode. The characteristics of MX1.5KE110A include surge current of 150A (8/20μs) transient peak voltage of ±5.5kV, and working voltage of 11V. In order to achieve effective suppression, the TVS diode should be added as close as possible to the component to be protected.

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