MXUPTB28E3 Circuit Protection

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TVS - Diodes, also known as transil diodes, are a specific type of semiconductor diode designed to protect circuits from high energy electrical transients such as those generated by lightning or electrostatic discharge (ESD). The MXUPTB28E3 is a TVS diode designed to protect sensitive circuits from high voltage transients. This article will discuss the application field and working principle of the MXUPTB28E3.

The MXUPTB28E3 is designed to provide highly effective protection in electronic circuits where voltage transients may occur. The device is well suited for applications such as electrical equipment, circuit board assemblies, and automotive/marine systems. It is housed in a small SMA surface mount package, making it suitable for high-density and high-potential protection applications.

The working principle of the MXUPTB28E3 is clamped voltage protection. When a high voltage transient occurs on the system, the circuit tries to adjust by clamping the voltage to the breakdown voltage of the diode. This is done by allowing the current to flow in only one direction, which limits the peak voltage that can be applied. By preventing the circuit from exceeding the breakdown voltage of the diode, the MXUPTB28E3 is able to protect delicate electronic components from damage. In addition, the device can also dissipate heat generated by the overload current.

The MXUPTB28E3 is designed to protect against ESD events in the range of +/- 8 kV. The device has a rated holding voltage of 28 V, and a peak power dissipation of 275 W. The device also features a low operating voltage of 5 V and a low operating current of 15 mA. Additionally, the device is compliant with the ESD requirements of the RoHS directive.

In order to ensure the highest levels of protection, the MXUPTB28E3 should be installed in accordance with best practices for electronic protection. This includes paying close attention to the orientation of the device, as well as leaving adequate space between the device and other components. In addition, the device should be installed on a circuit board that is properly grounded.

In summary, the MXUPTB28E3 is a TVS diode that offers effective protection against high voltage transients. The device is suitable for applications such as automotive/marine systems, circuit board assemblies, and electrical equipment. The working principle of the device is clamped voltage protection, which clamps the voltage to the breakdown voltage of the diode in order to protect the circuit from damage caused by voltage transients. The device is compliant with the ESD requirements of the RoHS directive, and should be installed in accordance with best practices for electronic protection.

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