SLD16-18-B

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TVS diodes play an essential role in providing protection from over-voltages that, in worst cases, can cause time-consuming system downtime and costly repair and replacement of sensitive system components.

The SLD16-18-B is a multi-channel high-current TVS diode specifically designed for sensitive parts on PCBs, such as ICs, power transistors and FETs, where lightning or electrostatic discharge protection is required. It is a bidirectional diode with low capacitance, low leakage and high current capabilities, as well as an ultra-low breakdown voltage that ensures proactive protection against high surges.

With its wide range of applications, from consumer electronics to home appliances, automotive components and power supplies, as well as a wide range of applications such as ESD, EMI, electrostatic protection and others, the SLD16-18-B makes protection from extreme overvoltage a robust and reliable solution.

Application Field

The SLD16-18-B is designed to provide effective protection against harsh environments filled with high-frequency electrical noise. It is ideal for applications that require high-current protection, such as controllers, microprocessors, FPGAs, and other sensitive ICs. It is also suitable for the automotive and industrial markets, such as motor vehicles and solar and wind power systems.

The SLD16-18-B can also be used for LED driver protection, which provides an extra layer of protection against the over-voltage generated when LED lights are suddenly dimmed or switched off. The low capacitance of the SLD16-18-B also makes it ideal for low EMF applications, such as GPS navigation systems, data recording systems and medical imaging systems.

Working Principle

The SLD16-18-B works on the principle of a Zener diode. It is a bidirectional diode in which the p-n junction behaves as a voltage regulator. When a forward voltage is applied across the diode, the junction breaks down and the voltage remains constant, thus limiting the surge.

In operation, the SLD16-18-B acts like an avalanche diode, clamping the voltage applied across it and providing an effective protection mechanism. As soon as the applied voltage reaches the break down voltage of the diode, the current starts flowing in the forward direction at a constant voltage. This process clamps the voltage applied across the diode to its break down voltage, thus preventing further damage to the system.

The SLD16-18-B is designed with a very low capacitance, providing the best possible protection against transient over-voltages. This low capacitance ensures that the diode can respond to high-frequency surges, as well as surges with longer durations. The low leakage current also helps to ensure that the protection remains reliable and that the device can handle long-term surges.

The SLD16-18-B is a very versatile device, providing effective protection against over-voltages in a wide range of applications. The robust protection provided by the SLD16-18-B reduces system downtime and ensures maximum reliability and safety for sensitive components, thus making it an ideal choice for high-current over-voltage protection.

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