MXSMCJ58AE3 Circuit Protection

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TVS (Transient Voltage Suppressors) diodes protect circuits from voltage transients resulting from external or internal events. The MXSMCJ58AE3 is a uni-directional TVS diode designed specifically to protect against high frequency ESD, IEC 61000-4-2, Level 4 (±15 kV Air, ±8 kV Contact), and electrical transients induced by lighting. It employs a dual clamping action, allowing for a low response time and a low clamping voltage.

The MXSMCJ58AE3 is a unidirectional Bi-Directional Polar Transient Voltage Suppressor (TVS). It is designed to offer total protection from ESD (ElectroStatic Discharge) and overvoltage transient events caused by lightning, switching surges and power line disturbances. It utilizes a series of dual avalanche diode bridges and a capacitor to provide bi-directional protection. It features a low clamping voltage (Vcl) together with an ultra fast response time (tr) for both positive and negative directed transient peaks. Its operating voltage range is 58V with a 6.0mm x 4.7mm SMC package.

The MXSMCJ58AE3 application field includes various consumer electronics, such as AC/DC adapters, notebooks, tablets, cell phones, MP3 players, printing systems, & PCs; and industrial applications ranging from industrial automation to solar LED systems. These applications require robust protection for ICs and other sensitive components against electrostatic discharges and all kinds of high frequency transients induced by lightning. It offers superior performance in applications subjected to high duty cycles with typical breakdown voltage of 18 volts and maximum peak forward surge current of 9A.

The MXSMCJ58AE3 works by providing a path to ground for the current during a surge or overvoltage event. The surge current is first absorbed by the capacitor, and then the capacitor is discharged via the series of dual avalanche diodes. This allows for a low clamping voltage (Vcl) and fast response time (tr).

The MXSMCJ58AE3 is an ideal solution for applications that require surge protection up to 58V and fast response time as low as 5ns. Its low package profile (6.0mm x 4.7mm SMC) makes it suitable for high density, space-constrained applications. Its dual clamping action allows for a wide range of applications, providing reliable ESD and electrical transient protection in consumer electronics, automotive, industrial, and commercial applications.

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