MX5KP20CAE3 Circuit Protection

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TVS-Diodes

Transient Voltage Suppression diodes, abbreviated as TVS diodes, are widely used in many electronic devices. They are solid-state devices used for protection against voltage transients that increase the voltage beyond its rated levels. These diodes are often installed on components such as printed circuit boards, integrated circuits, and other points on the PCB. This provides effective surge protection from voltage transients and prevents electrical overshoot and over-voltage conditions in circuits.

The MX5KP20CAE3 is a TVS diode designed to protect board-level components from over-voltage transients. It is an ESD-rated uni-directional device that consists of two back-to-back rectifiers formed of a single junction. The diode can dissipate up to 5.0KA of energy, making it ideal for use in sensitive applications such as automotive, industrial, and medical.

MX5KP20CAE3 Application Field

The MX5KP20CAE3 is best suited for use in automotive components, such as headlights, ECUs, and stereos where protection from Transient overvoltages is necessary. It is also commonly used in industrial environments, such as machine controls, servo controlled equipment, and in medical equipment where it provides surge protection. In addition to surge protection, the diode can also be used to protect I/O ports from over-voltage conditions.

Working Principle

Under normal conditions, the MX5KP20CAE3 diode behaves like a normal diode, passing current when a forward voltage is applied and blocking it when a reverse voltage is applied. However, when a Transient Voltage Surge (TVS) exceeds the rated voltage, the diode begins to conduct current, thereby dissipating the surge and preventing it from reaching the circuit. The diode will then continue to pass current until the surge is dissipated. Once the surge is dissipated, the diode will return back to its normal state, blocking current in both directions.

The MX5KP20CAE3 is an ideal component for use in any application where transient overvoltages or overshoot needs to be prevented. Its 5.0KA of surge protection makes it a great choice for use in automotive, industrial, and medical applications. By providing effective surge protection, the MX5KP20CAE3 can help protect your circuit from electrical transients.

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