BSPD400208Y3K

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Mixed Technology TVS (transient voltage suppression) devices provide a more reliable and robust protection solution under electrostatic discharge (ESD) events and also use a unique combination of several technologies to achieve the best performance. The BSPD400208Y3K is an example of such a Mixed Technology TVS device.

The BSPD400208Y3K features a curved, ultra low-capacitance bidirectional ESD structure, ideal for protecting USB 3.1 ports or other sensitive High Speed applications, such as HDMI, SATA and DisplayPort. This protection is offered within a single component, combining three distinct but complementary protection technologies – a special steering diode, a Sidac and a Zener diode.

The integrated ESD protection not only covers IEC61000-4-2 Level 4, but with an operative voltage of 22.5V it also provides ISO 7637-2 EFT/Surge protection. The BSPD400208Y3K features a wide operating voltage range of 4.5V to 22.5V, ensuring protection from a variety of line transients experienced by almost any automotive system.

The BSPD400208Y3K Mixed Technology TVS device also offers excellent clamping efficiency, which is very important for overvoltage events on High Speed applications. The low capacitance (<1pF) of the various stages used, contribute to a minimal impact on signal integrity, allowing the protection of either sensitive digital lines or High-Speed RF signals, and reducing the risk of erroneous data in high speed I/O communication.

The Sidac featured in the BSPD400208Y3K is a double-junction thyristor with an electrode structure that diverts the surge current. This highly efficient and low-capacitance protection solution is suitable for applications that require clamping of negative voltage transients. The Zener diode is mainly used for providing protection against very high voltages. When coupled with the other two stages, this makes the BSPD400208Y3K well suited for many high voltage over- and under-voltage transient protection requirements, especially those encountered in automotive, industrial, communications and consumer applications.

In summary, the BSPD400208Y3K Mixed Technology TVS device has been specifically designed to provide reliable protection against ESD, EFT and over/under voltage transients, with minimal effect on signal integrity. This makes it perfect for a range of applications, from automotive systems to high speed I/O communications.

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