CD214A-T16ALF

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CD214A-T16ALF is a TVS diode chip of low capacitance type in light weight SMB package (Slimline Molded Body). This product is highly reliable for protecting signal lines of various kinds from high electrostatic discharge (ESD) threats. It offers a combination of low capacitance (calculated up to 16pF) and fast response time (as low as 1.3ns at Ipp=12A) making it well suitable for mobile device applications. Its small body size also makes it convenient to use in the same small space as other components.

Application Field

As a low-capacitance TVS diode chip, CD214A-T16ALF provides ESD protection to various signal lines such as High-Speed Data Interfaces (HDMI, USB and LVDS). Its response time and capacitance make it well-suited for reducing ESD damage to sensitive devices under fast transmission speed. It is also suitable for protecting electronics positioned along with the data lines. CD214A-T16ALF is typically used in Mobile devices (Smartphones, tablets, etc.), Industrial and Automation systems.

Working Principle

CD214A-T16ALF provides ESD protection through a combination of a Zener Diode and a Silicon Avalanche Diode (SAD). The Zener Diode has a breakdown voltage which blocks transient voltages during normal operation of the device. When the voltage exceeds the threshold voltage, the Zener diode rapidly conducts the current from the data line to the ground. The SAD then absorbs any remaining surge current to ensure total protection of the signal line. Furthermore, an internal Discharge Circuit (DCC) is incorporated in the device, which helps eliminate residual charge from the data line after the ESD event. Thus, CD214A-T16ALF offers a highly reliable ESD protection when dealing with high-voltage transients.

Package

CD214A-T16ALF is available in a Slimline Molded Body (SMB) package. The device features a small size of 0.6 × 0.44 mm body allowing it to be mounted on a board without the need for much space. Its lightweight envelope allows for higher reliability. It also helps reduce the total weight of the application, thus making it more suitable for portable or handheld application.

Conclusion

CD214A-T16ALF is a low-capacitance TVS diode chip in SMB package for signal line ESD protection. It offers fast response time and low capacitance making it well-suited for reducing ESD damage to sensitive devices in high-speed data interfaces. It is typically used in Mobile devices, Industrial and Automation systems.

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