MAPLAD18KP48CAE3

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TVS-diodes are semiconductor devices used to protect electrical components from overvoltage and transient electrical surges. The MAPLAD18KP48CAE3 is a specific type of TVS diode, characterized by its extremely low capacitance, high peak pulse current capabilities, and fast response time. It is a high-performance, lead-free, and RoHS compliant device, providing superior ESD protection for sensitive devices.

The MAPLAD18KP48CAE3 is implemented in both automotive and industrial applications, and is well suited for use in both commercial and military products. This device is a two-piece construction, consisting of a glass encapsulated diode and a leadframe. Due to its extremely low capacitance and high peak pulse current capabilities, the MAPLAD18KP48CAE3 is an ideal choice for protecting data lines, such as USB ports, Ethernet ports, or coaxial cables.

The working principle of the MAPLAD18KP48CAE3 is based on the principle of forward bias. When an overvoltage condition occurs, current will flow from the cathode to the anode until the condition is lapsed. The mechanism of the MAPLAD18KP48CAE3 provides superior ESD protection compared to traditional TVS diodes, due to its low capacitance, high peak pulse current capabilities, and fast response time. This results in the device absorbing and dissipating incoming energy more quickly and efficiently before it can cause damage to sensitive components.

In addition to its ESD protection capabilities, the MAPLAD18KP48CAE3 also provides line protection from short circuits and transients. This device operates in both normal (forward bias) and reverse bias conditions and is designed to be connected in parallel to a data line. When a fault occurs, the body diode conducts current to ground, reducing the voltage on the line. In such conditions, the MAPLAD18KP48CAE3 is able to reduce the short-circuit current, preventing it from damaging sensitive components.

This device is also equipped with a temperature-sensitive element, which limits its power dissipation in the event of an overvoltage condition. When the junction temperature of the diode reaches the specified limit, current conduction is limited to protect the device from thermal damage. This feature further enhances the reliability of the MAPLAD18KP48CAE3 in protecting against ESD and transients.

In summary, the MAPLAD18KP48CAE3 is a high-performance, lead-free, and RoHS compliant TVS diode used to protect electrical components from overvoltage and transient electrical surges. It is primarily used in automotive and industrial applications, and features an extremely low capacitance, high peak pulse current capabilities, fast response time, and a temperature-sensitive element for limiting power dissipation. This device is well suited for use in both commercial and military products.

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