MA5KP90CAE3

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TVS - Diodes

A Transient Voltage Suppressor Diode (TVS–Diodes) is a voltage–dependent switch that rapidly turns on when the peak or surge voltage of the system exceeds a predetermined value, in order to protect the system from damage due to electrical overstress. This devices have been used for a long time to protect equipment from destructive transient voltage events, such as lightning strikes. The MA5KP90CAE3 is one such device.

Application Field

The MA5KP90CAE3 is a transient voltage suppressor diode designed for use in medium power, automotive and industrial applications. The device is a unidirectional voltage protection device with high surge capabilities and features a low clamping voltage for superior protection. It is typically used to protect vulnerable components from damage due to excessive electrical transients in car, truck and bus systems operating up to 12V DC. The device is also suitable for general industrial and consumer applications.

Working Principle

The MA5KP90CAE3 is a zener–type diode, and it operates by “clamping” the voltage when it exceeds the predetermined value. A forward–bias voltage is applied to the diode, and when the voltage across the diode exceeds the zener voltage, the diode will quickly switch on, thus limiting the device’s current and protecting it from further damage. Once the current has been limited, the device will switch off and the voltage will return to its normal level.

The device is designed to turn on quickly, and the response time can range from nanoseconds to milliseconds depending on the specific application. The device is capable of handling very high peak or surge voltages, and it is important to note that the protection provided by the diode is limited to the peak voltage achieved. Thus, it is important to ensure that the diode is rated for the peak voltage of the system in order to get the best protection from it.

The MA5KP90CAE3 device is designed for surface mount applications and is available in various package sizes. The device is also RoHS compliant and offers excellent temperature stability and reliability.

Conclusion

The MA5KP90CAE3 is a transient voltage suppressor diode designed for automotive, industrial, and consumer applications. It is a unidirectional voltage protection device with low clamping voltage that rapidly turns on when the peak or surge voltage exceeds its predetermined value. The device is capable of handling high peak voltages and has a fast response time, making it ideal for protecting vulnerable components from electrical transients.

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