MXSMBJ45CAE3 Circuit Protection

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A TVS Diode, also known as a Transient Voltage Suppressor or Transient Voltage Surge Suppressor, is designed to protect sensitive electronic circuitry from voltage spikes or transients in the power lines. There are many different types of TVS devices currently available and their application fields vary greatly. This article will address the application field and working principle of the specific TVS device known as MXSMBJ45CAE3.

The MXSMBJ45CAE3 TVS Diode is an unidirectional diode designed for use in transient voltage suppression applications. It has a maximum junction temperature of 150°C and a stand-off voltage of 22.6V. This device is primarily used in higher power applications such as consumer electronics and automotive electronics. The reverse stand-off voltage is easily adjustable by changing the voltage slug on the device. The device also features an integrated stress shield which helps to protect the sensitive elements of the device from excessive heat.

The working principle of the MXSMBJ45CAE3 TVS Diode is based on the principle of negative resistance. When the voltage across the diode exceeds the stand-off voltage, the current through the diode increases significantly. This increase in current causes the device to act as a bi-directional clamp, suppressing transient voltages up to the stand-off voltage. This is how the device prevents voltage spikes from damaging sensitive components.

The primary application of the MXSMBJ45CAE3 TVS diode is in transient voltage protection circuits. It is often used in consumer electronics, automotive electronics, and other higher power applications. Furthermore, it is often used to protect sensitive components in communications and data acquisition systems. It is also commonly used in automotive power supplies, switching regulators, and even computer power supplies.

The MXSMBJ45CAE3 TVS Diode is a versatile and reliable device which offers an effective solution for limiting transient voltages. It is suitable for a wide range of applications and is easy to integrate into any system. With its adjustable stand-off voltage and integrated heat-sink, it offers reliable performance and protection for sensitive components.

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