MA5KP90AE3

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Programmable unidirectional and bidirectional transient voltage suppressors (TVS), or Transil, are TVS diodes used as an effective protection against unintentional electrostatic discharges (ESD). The MA5KP90AE3 is a unidirectional Transient Voltage Suppressor (TVS) designed to provide protection against transient voltage surges, such as ESD, surge, and lightning on various I/O interfaces. This Transil device is ideal for protecting 5V circuits and is specifically designed for applications with limited space and cost constraints, such as handheld personal electronic devices, computers, and minicomputers.

While the MA5KP90AE3 is designed to suppress above 90pF of transient current, it offers a low-clamping voltage. Its low-profile design makes the MA5KP90AE3 suitable for tight spaces. It is rated for peak pulse current of 400A, which is sufficient to protect any device from low current to high current impulses. It also provides a clamping voltage of 5.5V when it is reverse biased.

The MA5KP90AEl is mainly used in applications where it is essential to protect the sensitive components from electrical overstress due to transient voltage surges. It is ideally suited for protecting microprocessors, memory chips, logic components, and other sensitive electronics from damage due to static electricity, ESD, surge, and lightning. The device can also be used in automotive industry where it is important to protect the vehicle applications from voltage spikes due to electric condensation.

The working principle of the MA5KP90AE3 is simple. It acts as a barrier between two opposing points of a circuit. When a transient voltage surge is passed through the device, it automatically conducts the surge current away from the circuit and dissipates it into the ground, thus protecting the device from damage. This is done by the use of the PN junction. When a negative voltage is applied to the LA (anode) terminal, electrons from the N-segment are attracted by the negative voltage, allowing it to flow through the PN junction when it reaches the L (cathode) terminal.

The MA5KP90AE3 is also capable of providing protection against low current surges, such as electrostatic discharges. These surges can be damaging for sensitive electronics, as they can cause short-circuit or latchup. The device is designed to limit the peak current and clamp the voltage to a predetermined level, thus providing the necessary protection against these over-voltage surges.

The MA5KP90AE3 is an effective and affordable electronic device, which provides the necessary protection from overvoltage surges. It is capable of absorbing and dissipating a large amount of surge current, while providing protection against ESD, surge, and lightning. Its low-profile design makes it a great choice for applications with limited space and cost constraints. Moreover, it is an ideal choice for automotive industry, where protection from voltage spikes is critical.

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