MAPLAD30KP75AE3

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TVS - Diodes’ MAPLAD30KP75AE3 Application Field and Working Principle

A TVS diode, or Transient Voltage Suppressor Diode, is an important protective component used in the electronic circuit. It is a special type of semiconductor that is designed to absorb massive surges or spikes of energy that may occur in the circuit. In the event of an excessive or sudden increase of electrical voltage, a TVS diode will rapidly switch from its normal “off” state to the “on” state, thus limiting the energy released from the electrical circuit.

What Is a TVS Diode?

A TVS diode is a device that is made up of a small chunk of silicon, usually mounted on a metal substrate, and normally held in the “off” state when no voltage is applied to it. When a surge of electrical voltage is encountered, the diode quickly switches from the “off” state to the “on” state, thus limiting the voltage across it.

A TVS diode has two metal terminals, the anode terminal and the cathode terminal. Under normal circumstances, the anode terminal will be at the same voltage as the cathode terminal, but in the event of an overvoltage event, the diode will switch from its normal “off” state to its “on” state, thus becoming a short circuit, and the anode terminal will become more positive than the cathode terminal.

A TVS diode is also a valuable component for overcurrent protection. In the event of an overcurrent, the diode will switch from its “off” state to its “on” state, becoming a short circuit. This, in turn, limits the amount of current that can pass through the circuit, thus protecting the circuit from further damage.

MAPLAD30KP75AE3 Application Field and Working Principle

The MAPLAD30KP75AE3 is a popular TVS diode, with a breakdown voltage of 75V and a power dissipation rating of 30W. It is widely used in applications that require protection from transient voltage spikes such as those caused by lightning strikes, electrostatic discharges, or sudden increases in voltage due to inductive loads. It is also highly suited for use in power supply lines and motor control circuits.

The working principle of the MAPLAD30KP75AE3 is similar to that of other TVS diodes. When an overvoltage event occurs, the diode will switch from its “off” state to its “on” state, forming a short circuit and limiting the voltage across it, thus protecting the circuit from potential damage. The diode will then reset itself as soon as the overvoltage event is over.

The MAPLAD30KP75AE3 is a robust diode that can handle up to 4.0A of surge current for 10ms. It is also thermally and mechanically robust, with a high temperature operating range of -55°C to + 150°C, and a maximum operating temperature of + 175°C. Furthermore, the diode is also RoHS and UL certified, making it suitable for use in a variety of applications.

Conclusion

TVS diodes are an invaluable tool for protecting electrical circuits from transient voltage spikes and overcurrent events. The MAPLAD30KP75AE3 is a reliable and robust choice for the job, with a wide temperature & surge current rating, and RoHS and UL certification. It is widely used in applications such as power supply lines or motor control circuits.

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