CDSOD323-T12S

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The CDSOD323-T12S series is an ultra low capacitance (0.55pf) triple line protection diode array that is commonly applied for protecting communication ports from voltage transients caused by lightning strikes. It is presented in the surface mount SOD323 package and is optimized for use in industrial applications such as serial ports, computers, and data lines.

The CDSOD323-T12S offers fast response to transient overvoltage conditions, and provides clamping in both ESD and lightning surge modes. The device is constructed using a self-aligned, silicon-carbide rectifier structure, which allows for a significantly more compact device to be produced compared to other, traditional methods. It also comes with a wide operating temperature range of -55°C to +125°C.

The protection devices of the CDSOD323-T12S series are designed to divert destructive transients away from data and signal lines, by clamping the voltage to within a safe level. This is achieved through a transient voltage suppression (TVS) diode which acts as a bidirectional voltage limit, dissipating the energy in the form of heat. The device also boasts a typical peak pulse power rating of 1.5kW.

The working principle of the CDSOD323-T12S series is simple; when the diode is not exposed to any transitive events, current does not flow through it. When an overvoltage transient is applied though, the diode conducts, thereby providing a path for the current to flow to the ground, clamping the voltage. This causes the device to dissipate the energy as heat, as noted above.

In conclusion, the CDSOD323-T12S series of protection devices is designed to provide superior overvoltage protection on communication ports in industrial applications. With its ultra-low capacitance, fast response, wide temperature range, and robust peak pulse power rating – the CDSOD323-T12S is an excellent solution for protecting data and signal lines from destructive voltage transients caused by lightning strikes and other transient events.The specific data is subject to PDF, and the above content is for reference