SM6S22AHE3/2D

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TVS - Diodes

Transient voltage suppressors (TVS) are electronic components that are specially designed to absorb large but transient surge currents by clamping the voltage levels. TVS diodes are a type of TVS used to protect circuits from large voltage spikes induced by lightning or other high energy sources. The SM6S22AHE3/2D is a unidirectional TVS diode with high surge capability designed to protect sensitive equipment from voltage transients caused by lightning and other sources.

Application Field

SM6S22AHE3/2D TVS diode is suitable for installations and equipment which are exposed to lightning transients or industrial disturbances and it can be used for applications such as power supplies, communication and data lines. The SM6S22AHE3/2D can protect against transients caused by ElectroStatic Discharges (ESD) as well as Transient Enhanced Avalanche Level (TEAL) and surge operation from AC and DC sources.

Working Principle

The SM6S22AHE3/2D is a bidirectional TVS diode that consists of two discrete chips connected in series to form a single rectifier. In normal operation, no current flows through the diode and the voltage across it is zero. When a transient surge, such as a surge from a lightning strike, occurs, the voltage across the diode increases. This increase in voltage causes the current flow through the diode to exceed the maximum allowable rating, thus protecting the system from overvoltage and other damage. The surge current is dissipated by the device and is not returned to the source or system.

The reverse breakdown voltage of a TVS diode is significantly lower than a conventional diode, allowing it to be able to clamp lower voltages efficiently while still handling high peak currents. The SM6S22AHE3/2D TVS diode also has a high surge capability which means that it can absorb large transient currents without failing or melting down. One of the key advantages of the SM6S22AHE3/2D is that it can be used with AC signals since it can handle peak frequency voltages many times higher than a normal diode.

The SM6S22AHE3/2D TVS diode is a highly reliable device that is suitable for all kinds of applications that require fast transient protection. It is designed to absorb large surge currents and helps to protect sensitive electronic equipment from high voltage transients, providing an additional layer of protection for sensitive components.

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