SLD11U-017 Circuit Protection

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TVS diodes, also known as transient voltage suppressors, provide protection against transient voltage spikes in an electrical system. SLD11U-017 is one of the best-known examples of this technology, providing reliable surge protection and minimal noise interference. This article will discuss the application field and working principle of the SLD11U-017.

Application Field

SLD11U-017 is designed to protect high-speed layouts from voltage spikes, electrostatic discharge (ESD), and EMI / RFI. It is primarily used in automotive electronics, consumer electronics, and telecommunications, as well as industrial and medical applications.

The SLD11U-017 offers protection from over-voltage and over-current events, including lightning strikes and power surges. It is rated to handle up to 6kV/100A per pin and 2 X 6kV/200A common mode.

The SLD11U-017 has a low capacitance of only 5.4pF, making it well-suited to high-speed signal applications. It is also designed to maintain a low capacitance across its entire working range. This ensures minimal noise interference and ensures that higher-speed signals are not degraded.

The SLD11U-017 is available in an SOT-23 and SC-75 package, making it suitable for space-restricted applications. It is also RoHS compliant and can operate between -55C to 125C.

Working Principle

SLD11U-017 utilizes a Zener-based protection circuitry, which links a parallel Zener diode to a back-to-back small-signal diode. When the applied voltage exceeds the Zener breakdown voltage, current is diverted away from the protected components and the surge is absorbed by the device.

Because it is a two-terminal device, the SLD11U-017 has low circuit complexity and offers a fast response to transients. This ensures that spikes are quickly absorbed and dissipated, minimizing damage to the protected components.

Unlike varistors, the SLD11U-017 does not require additional components, saving space and money. This two-terminal solution is also less prone to power or ground bounce, meaning that it can offer more reliable protection. Additionally, the SLD11U-017 offers over-current, short-circuit, and ESD protection.

Conclusion

The SLD11U-017 is a versatile, efficient, and reliable transient voltage suppressor. This two-terminal device offers protection against over-voltage, over-current, EMI/RFI, and ESD events. It is capable of providing up to 6kV/100A per pin and 2 X 6kV/200A common modeprotectionand its low-capacitance design ensures minimal interference with high-speed signals. The SLD11U-017 is an essential component for high-speed and space-restricted applications, providing robust surge protection while simultaneously saving cost.

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