MXPLAD18KP16CA

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TVS (transient voltage suppressor) diodes are widely used in various industrial applications to protect circuits and components from overloading, static electricity, and other disturbances. The MXPLAD18KP16CA is a dual-channel, low-power, avalanche-type TVS, which is designed for applications that require tight ESD protection. It combines a low-capacitance MOSFET channel and two low-capacitance Schottky diodes. This allows it to provide a low-capacitance, low-impedance protection solution against overvoltage transients, without compromising performance in high-frequency applications.

The MXPLAD18KP16CA offers dual-channel protection against ESD strikes up to 4kV. It has a low stand-off voltage of 0.2 V from drain-to-source, and a maximum clamp current of 2.1 A. Its low dynamic resistance and fast response time improve its efficiency in critical applications. The device is pin-compatible with the industry-standard 1.27mm pitch SOT-8L package as well as the 1.25mm pitch SOT-675 IC.

The working principle of the MXPLAD18KP16CA is based on a simple avalanche action clipper principle. When a voltage above the breakdown voltage of the diode is applied to its drain-source channel, an avalanche breakdown occurs due to impact ionization. The energy breakdown of the diode generates a large number of electron-hole pairs, which in turn cause a further rise in the drain current. This triggers a clamping action, which limits the voltage transients to the breakdown level. The steadily decreasing breakdown voltage of the diode also limits the clamping action to limit the current flowing through the device.

The MXPLAD18KP16CA is suitable for a wide range of applications, including communications equipment, appliances, portable electronic devices, automotive, consumer electronics, and medical electronics. It does not have any specific safety requirements and it is easy to use in an application without the need for additional components. Additionally, the device is RoHS compliant and is approved by UL, CSA, and TUV.

In conclusion, the MXPLAD18KP16CA is a low-power, dual-channel, avalanche-type TVS diode that offers excellent protection against transient overvoltage transients. Its low stand-off voltage, low dynamic resistance, and fast response time make it an ideal choice for applications requiring ESD protection.

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