MPLAD15KP20CAE3/TR Circuit Protection

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TVS – diodes have a range of applications, including protection against electrical overstress and EMI/EMC applications. The MPLAD15KP20CAE3/TR is an example of a TVS diode that is specifically designed to protect data lines from transients produced by devices such as electrostatic discharge (ESD). This article will explain the application field of this diode, as well as its working principle.

Application Field

The MPLAD15KP20CAE3/TR is primarily designed for use in data line protection, but can also be used in other applications. It has an adjustable operating range that can be set from -15 kV to +20 kV, making it suitable for a wide range of protection needs. The maximum operating temperature range is -55°C to +125°C, with a maximum clamping voltage of 17.0 V. It is also UL 94V-0 rated, meaning that it meets the highest industry standards.

The diode is capable of handling continuous and surge pulses, which makes it suitable for both high frequency and medium-frequency EMI/ESD applications. It also has a low capacitance of 0.35 pF with a minimal temperature coefficient of 0.3%, which means that it will not interfere with the signal. The diode also has a low-impedance surface mount design, which makes it suitable for use in tight spaces.

Working Principle

The working principle of the MPLAD15KP20CAE3/TR is based on reverse flow blocking. The diode works by creating a reverse flow when a high voltage is applied and blocking the reverse flow until the applied voltage drops back to normal. This reverse flow blocking prevents transients, such as those caused by ESD, from reaching the connected data line.

The diode has a low thermal impedance, which means that it can dissipate higher amounts of energy, ensuring reliable protection for the connected data line. The low thermal impedance also ensures a longer lifetime for the diode and reduced heat accumulation.

The diode also has an integrated ESD protection network that helps to absorb ESD pulses, ensuring that the peak voltage is not transmitted to the data line. The diode also comes with surge protection up to 20 kV, which ensures the device is protected against higher transient voltages. Finally, the diode comes with an embedded voltage limiter, which ensures that the voltage does not exceed the rated levels.

Conclusion

The MPLAD15KP20CAE3/TR diode is a great choice for reliable EMI/ESD protection for a variety of applications. It is designed to protect data lines from transients produced by devices such as electrostatic discharge. It has an adjustable operating range, a low capacitance, and a low thermal impedance, making it suitable for a wide variety of protection needs. Finally, it has an integrated ESD protection network, a surge protection up to 20 kV, and an embedded voltage limiter, making it a great choice for reliable data line protection.

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