MXPLAD18KP45AE3

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TVS - Diodes are the structures which are mainly used in electronic systems for protection against short-circuit and Transient voltage change. MXPLAD18KP45AE3 is a kind of a Transient Voltage Suppression Diode which is used to protect electronic circuits from voltage surges. The device closes its channel when a sudden voltage rise occurs, shunting the extra power to ground. Thus, it prevents voltage spike from damaging the other components in the circuit.

Application Field

MXPLAD18KP45AE3 is mainly used in Computer peripherals, Power conversion, Communications equipment, Test/Measurement, Lighting, Automotive and other High voltage applications in industrial products like UPS, AMC, monitors, transducers, motors, drives, controllers, etc. It is also used in home applications such as smoke detectors, security systems, and various industrial controls.

Working Principle

The MXPLAD18KP45AE3 operates by clamping voltages. That is, the semiconductor structure of the diode behaves like a switch connecting the anode (short pole of the diode) cathode (long pole of the diode) when short-circuit voltages reach a certain value. Thus, when Transient overvoltages occur, the diode will automatic conducts or short the anode and cathode, and generates a low impedance path to ground to divert the excessive power, limiting the Transient overvoltage to a safe level.

It is also useful as an alternating current (AC) line-protection diode. When the Transient overvoltage environment occurs, its upper junction capacitance and the source impedance enable the MXPLAD18KP45AE3 to provide protection from the surge. Thus, it can discharge the surge on the AC line and prevents it from damaging the devices.

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