SMA5J22CHE3/5A

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TVS - Diodes

TVS (transient voltage suppressor) diodes are a class of semiconductor devices that are specifically designed to protect electrical and electronic circuits from high voltage events like electrical discharges, transient lightning surges, and direct lightning strikes. The SMA5J22CHE3/5A TVS diode is a surface mount transient voltage suppressor designed to protect sensitive electronic systems from voltage spikes. It offers protection from severe over-voltage events up to ±20kV (HBM protection).

Application Field

The SMA5J22CHE3/5A TVS diode is used in many different electronic devices such as AC/DC power supplies, telecom systems, automotive and aviation systems, industrial and medical equipment, consumer electronics, and more. It can also be used for high voltage isolation, over-voltage protection, surge suppression, voltage clamping, and other protection applications.

Working Principle

The SMA5J22CHE3/5A TVS diode works by clamping voltage spikes so that they do not damage the sensitive electronics it is protecting. When an over-voltage event occurs, the diode\'s voltage-dependent breakdown voltage (VDB) is triggered, and the diode then acts as a very fast switching element. This causes the voltage spike to be clamped to the diode\'s breakdown voltage, which prevents the spike from damaging the sensitive electronic system. In addition, the diode also absorbs some of the energy from the spike. This energy is then dissipated in the form of heat.

Conclusion

The SMA5J22CHE3/5A TVS diode is an effective way to protect sensitive electronic systems from over-voltage events. Its fast voltage clamping action and energy absorption abilities make it an ideal choice for many different applications. The diode is reliable and has a long operational life due to its rugged design.

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