MASMBJ90AE3 Circuit Protection

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Introduction

Transient voltage suppressor(TVS) - Diodes is a kind of semiconductor device with two parts metal-oxide semiconductor (MOS) and junction diode. It is specially designed to protect sensitive electronic circuits and components from overvoltage and transients. MASMBJ90AE3 is a kind of TVS - Diode.

Application Field of MASMBJ90AE3

MASMBJ90AE3 is a kind of TVS diode, it provides two main application fields. Firstly, it can be used to provide circuit protection. When some unexpected overvoltage appears, it can limit the voltage and the system will not be damaged. MasMBJ90AE3 can protect circuit from transients and surge with peak levels up to 900W. Secondly, it can be used to provide EMI/RFI suppression. The circuits are also protect from electromagnetic interference and radio frequency interference, which may cause system malfunction. Moreover, MASMBJ90AE3 is a high power TVS diode, it is suitable for many industrial application environments, such as telecom power supply, automotive circuitry, computers and modems.

Working Principle of MASMBJ90AE3

The working principle of MASMBJ90AE3 is relatively simple. It works in the way that it maintains a low voltage by using the avalanche effect. When there is an abnormal voltage over the breakdown voltage, the power is discharged due to the avalanche effect, so that the protected circuit won\'t be damaged. On the contrary, if the voltage is within the breakdown voltage, the diode will remain blocked. Therefore, it can provide a good circuit protection.

Conclusion

In conclusion, MASMBJ90AE3 is a kind of TVS - Diode, it can provide two main application fields which are circuit protection and EMI/RFI suppression. The diode can operate in a low voltage by using the avalanche effect, it can protect the circuits from transients and surge with peak levels up to 900W. Its high power capability make it suitable for industrial applications.

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