MSMLG78CA

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TVS diodes are specially designed circuit protection components, typically constructed as a three-terminal, surface-mount device that is designed to clamp and absorb transient voltage, faster than the semiconductor junction of a standard diode. TVS diodes are designed to protect integrated circuits, such as micro-controller applications, from ESD, EMI, lightning and over-voltage transients. The MSMLG78CA is an example of a TVS diode that provides effective transient voltage protection from 4.5 Volts to 24 Volts.

The MSMLG78CA, available through Arrow Electronics and other authorized distributors, is a dual common mode, low capacitance ESD protection component designed for data lines. It can protect up to four high-speed I/O lines or two high-speed differential lines. The MSMLG78CA is designed to minimize the capacitance, while providing the necessary protection for high speed data and lines, including USB, HDMI, DVI or DisplayPort. Additionally, this TVS diode meets the IEC61000-4-2 Class 3 standard for ESD protection (8KV Contact Discharge, +/- 15KV Air-Gap Discharge).

The MSMLG78CA offers 8 lines of low-capacitance, low-inductance protection. The advanced multilayer technology and configuration provides a low clamping voltage and allows superior signal quality. The structure provides fast response time and over-voltage clamping, with ESD protection levels that exceed IEC61000-4-2 levels, and with low current leakage at rated working voltage. The ESD protection range for the MSMLG78CA extends from four volts to 24 volts, satisfying most of the common voltage levels in the market.

In terms of working principle, MSMLG78CA uses a dedicated monolithic diode, along with two Schottky protection devices. The patented multi-cell protection structure is designed to provide a fast and reliable response time in order to address various low-voltage parasitic transients. The advanced technological design also ensures low leakage current, clamping voltage and low capacitance. The TVS diode works by providing a drain voltage equivalent to the transient voltage, thereby protecting the other components in the circuit from high-voltage damage.

In conclusion, the MSMLG78CA is an effective three-terminal, surface mount TVS diode that is designed to clamp and absorb transients faster than the semiconductor junction of a regular diode. It uses a highly reliable and patented multilayer technology, and provides superior signal quality, fast response time and over-voltage clamping features. It offers 8 low-capacitance, low-inductance ESD protection lines for four high-speed I/O lines or two high-speed differential lines, and meets the IEC61000-4-2 standard.

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