1SMB58AT3G

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TVS or transient-voltage suppression diodes are a type of semiconductor device used to protect sensitive circuits against sudden and excessive voltage surges. This provides protection against electrical surges and spikes, protecting hardware and preventing loss of service. The 1SMB58AT3G is a 3.3V, small-sized surface-mount TVS-diode with uni-directional protection designed for use in telecom/datacom applications.

Application Field

The 1SMB58AT3G is mainly used in telecom/datacom applications. It provides surge protection in case of up to 30A 8/20μηs surge and offers absorbtion ambient operating temperature between -55°C and +150°C. Because of it\'s small size, it is widely used in compact devices and circuits where space efficiency is a top priority. It is suitable for a variety of end products, ranging from digital cameras to routers and modems.

Working Principle

The 1SMB58AT3G works by diverting voltage spikes away from vulnerable circuits and components towards the ground or a dedicated surge discharge path. It is a uni-directional protection device, meaning it will only protect circuits from abnormal voltage spikes that flow in one direction, not both. It is designed to limit peak pulse current so that the voltage at any given point is kept in check.

When it experiences a sudden and large voltage surge, the 1SMB58AT3G will temporarily become an effective short-circuit, diverting current away from the circuit that it is protecting. Once the voltage has dropped to a safe level, the 1SMB58AT3G will then revert back to its normal state. This keeps the circuit and its components protected from harmful voltage spikes.

Conclusion

The 1SMB58AT3G is a useful 3.3V, small-sized surface-mount TVS diode used mainly in telecom/datacom applications. It provides up to 30A 8/20μηs surge protection and operates over a wide temperature range. By providing a short-circuit, it is able to keep vulnerable circuits and components protected from sudden and excessive voltage spikes. It is ideal for use in compact devices and circuits, and promises a safe and reliable operation in any environment.

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