MPLAD18KP58CAE3

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TVS (Transient Voltage Suppressor) diodes are a category of semiconductor devices mainly used for protecting sensitive electronic equipment from transient high voltage and ESD, also known as ElectroStatic Discharge. The MPLAD18KP58CAE3 device belongs to the series of ESD protection TVS diodes developed by STMicroelectronics.

MPALAD18KP58CAE3 is qualified for AEC-Q101 automotive grade and offers superior ESD protection for automotive and consumer electronics applications. Its compact packaging of SOD323F surface mountable package was designed to provide space optimization for industrial and automotive designs. The device is designed to meet the IEC 61000-4-2 international standard for ESD protection up to ±30kV (Level C).

MPLAD18KP58CE3 offers fast 7 nanosecond response time, low capacitance of 0.05pF for device capacitance rang and low ESD clamping voltage of 12.5V at 8A peak pulsed peak current. This fast response, low capacitance and low clamping voltage make the device ideal for protecting high-speed data line interfaces without attenuating data signals. It also ensures high reliability and immunity to repeated ESD strikes up to a maximum data rate of 10Gbps.

The MPLAD18KP58CE3 has a wide range of automotive and consumer electronics applications. It has been widely used in devices like automotive telematic modules, tire pressure sensors, infotainment systems, cellular phones, USB ports, and Ethernet ports. It can also be used for protection from electrostatic surges in industrial and medical applications.

The working principle of the MPLAD18KP58CE3 is simple but effective. The device has a combination of voltage break-down and the avalanche effect. During an ESD strike, the avalanche effect quickly routes most of the surge current away from the protected signal lines. Meanwhile, a low leakage current clamp, consisting of a P-N junction diode and peripheral components, provides a low-resistance path for the transient voltage generated during the strike. The result is TVS diodes that provide superior protection while having a very low impact on the signal quality.

In conclusion, MPLAD18KP58CE3 is a efficient ESD protection device offering fast response time, low capacitance and low clamping voltage, suited for protection of high-speed data line interfaces, with no signal attenuation or disruption. Thanks to its AEC-Q101 automotive grade qualification and compact packaging, it has been widely used for protecting automotive and consumer electronics applications from ESD strikes.

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