V18ZT40PX10

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TVS devices are widely used to protect circuits and hardware from possible harm due to transient overvoltage events. Particularly, V18ZT40PX10 is an advanced TVS offering superior performance in many applications. This article will discuss the application field and working principle of V18ZT40PX10 for TVS - Varistors, MOVs.

The V18ZT40PX10 devices are bidirectional, Transient Voltage Suppression (TVS) surge protectors designed to defend against voltage transients induced by lightning and other transient voltage events. It is constructed of a polymeric base with 4 parallel-connected Thyristors formed in a new proprietary structure. Compared with traditional bi-directional TVS diode devices, the V18ZT40PX10 provides greater ESD protection at lower operating temperatures.

The application field of V18ZT40PX10 includes communication systems, automotive electronics, portable electronic products, audio-video, navigation equipment, etc. This device is suitable for board-level protection for low-voltage, lowcurrent applications. The V18ZT40PX10 device is applicable for bidirectional over-voltage protection in buses, like I2C, CAN-Bus, SPI, interrupt, reset or data lines.

The working principle of V18ZT40PX10 is relatively simple. When a surge wave reaches the protector, the invention of the circuitry increases the voltage threshold by compressing the diode and balancing the charges to overcome the surge wave. As a result, it will send the extra electricity to the ground line. Therefore, it creates a protection barrier that secures the device against damage.

In addition, this device has a fast response time at lower operating temperatures. The ability to suppress surge and voltage spikes also allows for greater endurance under high temperatures and allows for improved reliability and increased levels of integration.

The V18ZT40PX10 device has a very low leakage current, which allows it to fulfill the requirements of EMC-immunity standards, internet appliances, and other digital application systems. Moreover, it has superior ESD protection performance, with a typical breakdown voltage of 18V. This breakdown voltage is higher than the threshold voltage of the device, and it ensures the device can respond appropriately to overvoltage transients.

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