MXLSMBJ7.5CAE3 Circuit Protection

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TVS (Transient Voltage Suppressor) diodes are designed to protect sensitive electronic components from voltage transients induced by lightning and other electrostatic discharge (ESD) events. The MXLSMBJ7.5CAE3 is a popular TVS diode that is used in many applications due to its light weight and low cost. This article will provide an overview of the MXLSMBJ7.5CAE3, including its application field, working principle, and features.

Application Field

The MXLSMBJ7.5CAE3 is a three-terminal type TVS diode designed for bidirectional ESD and surge protection. It is used to protect HDMI, USB, and other high-speed signals. This diode is also used to protect automotive ICs and other circuits from damaging transients caused by ESD and lighting events. This device is available in a variety of packages, allowing it to be used in a wide range of applications.

Working Principle

When exposed to a transient voltage higher than its clamp voltage, the MXLSMBJ7.5CAE3 reduces the voltage to a safe level. The device has two diodes connected back-to-back with small series resistors between the two junctions. This configuration allows the device to act as a voltage clamp. When the voltage is above the clamp voltage, the device conducts current, clamping the voltage to a safe level. Once the voltage drops below the clamp voltage, the device stops conducting.

Features

The MXLSMBJ7.5CAE3 has several features that make it attractive for many applications. It has an ultra-low capacitance and low leakage current, which allows it to maintain good signal integrity. It also has a low breakdown voltage of 7.5V and a clamping voltage of 10.8V. The device is also RoHS compliant and is ESD protected to IEC 61000-4-2 levels.

In addition, the MXLSMBJ7.5CAE3 has a high surge capability up to 40A, which is ideal for applications that may be exposed to high transient currents. The device also has an integrated ESD protector that eliminates the need for external ESD protection. Finally, the device has a high ESD testing level of Human Body Model (HBM) 15kV, which ensures that the device can withstand high levels of ESD.

Conclusion

The MXLSMBJ7.5CAE3 is a TVS diode designed for ESD and surge protection. It is used to protect high-speed signals, automotive ICs, and other circuits from damaging voltage transients. This device has an ultra-low capacitance, low leakage current, and a low breakdown voltage of 7.5V. In addition, it has a high surge capability up to 40A and a high ESD testing level of Human Body Model (HBM) 15kV. These features make the MXLSMBJ7.5CAE3 suitable for a wide range of applications.

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