ZSC31150GEG2-R

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ZSC31150GEG2-R Application Field and Working Principle

The ZSC31150GEG2-R, an ultra-low capacitance TVS diode array from Taiwan Semiconductor, occupies a special position in the development of ESD protection circuits. It is applied in various electronic products and has become the most popular circuit protection component for the application of interface and specialized equipment. This article mainly introduces the application field and working principle of ZSC31150GEG2-R.

Application Field

The ZSC31150GEG2-R device is mainly used in the field of Interface - Specialized. It works as a ESD (Electrostatic Discharge) Protection Diode Array that is able to limit any increase of voltage on a data interface caused by electrostatic discharges. It is used to protect the ICs that are connected to the interface, like RS232, USB, and HDMI, as well as other video equipment, automotive electronics, mobile communications, digital cameras, telecommunications and computers, from interference caused by ESD, so that the normal working performance is guaranteed.

Design engineers are required to provide maximum protection for their products against the destructive effects of Electrostatic Discharge (ESD). The ZSC31150GEG2-R design provides excellent ESD protection in addition to other features that make it suitable for many specialized applications. It provides superior ESD performance, wide range of voltage and current ratings, compatibility with high speed circuits, low capacitance for high voltage switching, and low leakage current for long latency.

Working Principle

The ZSC31150GEG2-R is a low capacitance TVS array. It is a bi-directional electrostatic discharge protection device with a maximum clamping voltage of 11.5V. When an electrostatic discharge occurs on the data interface (over a certain level) it will be conducted through one or two of the four low capacitance channels of the device. The TVS array dissipates the energy as heat while protecting the target circuits against the damage of overvoltage. The ZSC31150GEG2-R TVS array is also equipped with a bidirectional internal ESD protection circuit which is designed to meet the requirements of IEC 61000-4-2.

The ZSC31150GEG2-R array has 4 lines of bidirectional protection with 11.5V of overvoltage protection per line. Each line is provided with a 0.4pf capacitance which provides very low capacitance for high speed signals. The low capacitance ensures that signal speed remains intact during normal working conditions. There is also a low leakage current on the device which makes sure that it can provide ESD protection even before the signal is transmitted as it keeps the interface in a high impedance state. The efficient cooling of the device, which allows the power to be dissipated as heat, is also important in ensuring the long term reliability and performance of the ZSC31150GEG2-R.

Conclusion

The ZSC31150GEG2-R is an ultra-low capacitance TVS array that is mainly used in the field of Interface - Specialized and serves as an ESD protection diode array that can limit any increase of voltage on a data interface caused by electrostatic discharges. It is designed to provide superior ESD performance, wide range of voltage and current ratings, compatibility with high speed circuits, low capacitance for high voltage switching, and low leakage current for long latency. It can effectively prevent interference caused by ESD, providing reliable protection for various electronic products.

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