SA28

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The SA28 is a technology from Transient Voltage Suppression (TVS) - Diodes that offers a unique combination of efficient operation and reliable protection. It works by detecting high-voltage transients like lightning strikes and other over-voltage conditions and quickly suppressing them to acceptable levels. The SA28 is commonly used in a variety of applications, from automotive and renewable energy solutions to home appliances and battery protection. It is also used for general over-voltage transient protection and for equipment that requires over-voltage protection.

The SA28 achieves its suppression performance by using a reverse avalanche breakdown (RABD) mechanism. This method of breakdown involves the junction between the drain and the source terminals, which causes a sudden reverse current and voltage wave to flow through the device. The voltage wave is limited both in amplitude and in the duration of its peak. This limits the total energy of the transient, thus providing a highly effective solution for over-voltage protection.

The SA28 also offers an extremely efficient way to protect circuitry against abnormal voltage spikes. This is primarily achieved through its superior reverse breakdown voltage, which helps to clamp voltage peaks before they can reach the device. The device also incorporates an effective internal ESD protection that helps to reduce the risk of ESD-induced damage, further enhancing the suitability of the SA28 for applications where voltage spikes are a regular occurrence.

In addition to its high break-down voltage, the SA28 also has a high maximum current rating, which means it can handle large voltage transients without thermal runaway. This offers further protection as the devices can be operated above their rated voltage, helping to reduce the risk of failure caused by large transient events. Furthermore, the device has a low capacitance, which reduces the levels of noise passing through the device, helping to ensure that noise levels keep within normal operating limits.

Due to its wide range of features and capabilities, the SA28 is an excellent choice for a variety of applications. It is used when voltage transients or over-voltage conditions need to be quickly and reliably suppressed. Some common examples of applications where the SA28 is used include automotive, renewable energy, home appliances, and general over-voltage transient protection. It is also suitable for battery protection and other equipment that require over-voltage protection.

Overall, the SA28 provides a highly reliable and efficient solution for overvoltage protection. It offers excellent protection against large transient events and features an integrated ESD protection, as well as a high maximum current rating and a low capacitance. This combination of features makes the SA28 an ideal choice for a wide range of applications, including automotive, renewable energy, home appliances, battery protection, and general over-voltage transient protection.

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