MPLAD15KP75A/TR Circuit Protection

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TVS diodes are components that can protect electrical and electronic equipment from transient surge voltages. The MPLAD15KP75A/TR is a uni-directional transient voltage suppressor (TVS) diode specifically designed for harsh environment automotive applications. This diode can absorb overvoltage/overcurrent pulses and dissipate them safely. It is one of the best choices to protect automotive circuits against surge voltages caused by high-pressure contact points.

Application Field of MPLAD15KP75A/TR

The MPLAD15KP75A/TR is an automotive grade uni-directional TVS diode designed to provide over-voltage and over-current protection of automotive electrical circuitry. This diode operates over a wide range of voltage and current to provide protection up to 1500 watts for up to surge exposures up to one million. Its automotive grade also makes it especially suitable for use in automotive applications like starters, alternators, headlights, and airbags.

In addition, this diode can also be used for protection of data lines such as EMI, APE, CAN, LIN, and RS-485. It is ideal for preventing possible short circuit, muting situation, and overloaded supply voltage.

Working Principle of MPLAD15KP75A/TR

MPLAD15KP75A/TR works on the principle of avalanche breakdown. Whenever a transient over voltage or over current passes through the diode, the high electric field creates an avalanche breakdown. This avalanche breakdown is caused by electrons that are accelerated by a strong electric field. The kinetic energy of these electrons is sufficient to create more electrons and positive ions. These negative and positive ions recombine and form a layer of electrons.

When this nonconductive area is created, it stops the movement of current for a very short period of time. This is the principle on which transient voltage suppressor works. The diode acts as a safety valve that restricts the flow of current before it can damage the circuit.

Conclusion

The MPLAD15KP75A/TR is a uni-directional transient voltage suppressor (TVS) diode designed precisely for harsh environment automotive applications. This diode can absorb overvoltage/overcurrent pulses and dissipate them safely. It is an automotive grade diode that performs well over a wide range of voltage and current to provide protection up to 1500 watts for up to one million surge exposures. In addition, this diode can also be used to protect data lines such as EMI, APE, CAN, LIN, and RS-485. It works on the principle of avalanche breakdown wherein the diode acts as a safety valve to restrict the flow of current before it can damage the circuit.

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