ATV30C140J-HF Circuit Protection

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TVS diodes are a kind of important components in the design of signal protection circuits. Increasing the reliability of electrical systems requires the use of TVS diodes to protect the equipment from damaging overvoltage surges. Based on the TVS diode product series, ATV30C140J-HF is a commonly used high-performance TVS diode. This article introduces the application field and working principle of ATV30C140J-HF.

Application Field of ATV30C140J-HF TVS Diode

ATV30C140J-HF is a unidirectional low-capacitance TVS diode module designed specifically for protection against high-speed data lines. It is suitable for protecting high speed communication ports such as HDMI, USB3.0, USB2.0x, lightning ports,and other similar electronic data lines. In addition, ATV30C140J-HF is also capable of protecting board sensitive components and chips from being damaged by overvoltage, and can provide reliable protection for devices such as car dashboard, phones, computers, camera,etc. which are easily subjected to damage by static electricity.

Working Principle of ATV30C140J-HF TVS Diode

ATV30C140J-HF is a kind of unidirectional TVS with low capacitance and low leakage (IVL), ensuring Signal Integrity (SI) with high speed transmission. Its working principle is based on a three-terminal element PVN structure. In normal circumstances, the structure ensures a very low series voltage drop VDS,and virtually no leakage current. When an over voltage or electrostatic discharge (ESD) occurs, the TVS\' internal transistor will enter an avalanche breakdown condition and operate normally, and its discharge current characteristics satisfy the IEC61000-4-2 international standard. ATV30C140J-HF TVS provides a fast response for electrostatic discharge and has minimal effect on signal integrity.

Implementation and Futher Development

The application of TVS diodes must take into account the influencing factors such as the actual working environment, the working mode, the operating voltage and other parameters. The demand for high-speed signal protection of ATV30C140J-HF TVS diode will increase as digital signal applications become more and more popular. In addition, in order to ensure more perfect protection, the relevant functions should be considered in the design of the circuit itself.

In summary, ATV30C140J-HF TVS diode is a kind of high-performance, low-capacitance unidirection TVS diode module designed for high-speed data line protection. It has many advantages such as fast response time, low capacitance, and is suitable for protecting against high-speed communication ports such as HDMI, USB3.0, USB2.0x, lightning ports, and other sensitive electronic data lines. However, when considering its application, factors such as actual working environment and other parameters need to be taken into account. In addition, with the development of digital signal applications, the demand for high-speed signal protection of ATV30C140J-HF TVS diode will continue to grow.

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