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TVS - Diodes

Transient Voltage Suppressors (TVS) Diodes provide transient overvoltage protection for sensitive electronic components. They offer excellent response times, low leakage current, and compact packaging for a variety of applications. In this article, we will look at the GSOT04-HG3-08, and its associated application field and working principle.

The GSOT04-HG3-08 is a low-capacitance, ultra-low-capacitance CMOS transmission gate circuit optimized for high-speed signal transmission. It is designed to suppress transients caused by electrostatic discharge (ESD) and lightning-generated surges. It supports a wide range of operating voltages, from 1V to 5V, and is capable of withstanding up to 8 kV ESD pulses in a 200mm clear air space.

The GSOT04-HG3-08 can be used to protect sensitive electronic components from transient overvoltage conditions. In order to protect those components, it functions by clamping this transient voltage to a predetermined level, and thus limiting the voltage stress on the sensitive components. It can operate either in an avalanche breakdown or a Zener breakdown mode, depending on the particular application and the voltage applied to the device.

In avalanche breakdown mode, the voltage across the GSOT04-HG3-08 increases rapidly when the peak of the transient voltage reaches the specified voltage breakpoint. The current through the device is then limited by the avalanche breakdown of the junction, since the voltage across the device remains constant. In Zener breakdown mode, the breakdown voltage of the device depends on the Zener voltage associated with the device.

The GSOT04-HG3-08 also has the added benefit of providing low capacitance, which is ideal for high-speed signal transmission applications. The low capacitance also means that it can absorb high-voltage transients quickly, without introducing excessive ringing or narrow pulses into the system, which can lead to overshoot and instability.

Overall, the GSOT04-HG3-08 provides excellent performance in a wide variety of applications, offering excellent response times, low leakage current, and low capacitance for use in high-speed signal transmission. It is an ideal solution for protecting sensitive electronic components from transient overvoltage conditions.

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