SMF30AT1G

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The SMF30AT1G is a high speed, low capacitance, unidirectional (uni-polar) transient voltage suppressor (TVS) diode. It is packaged in an SOT-25 package and offers high surge capabilities of up to 14 A peak. It features an Avalanche breakdown type of operation where the voltage rating of the device is determined by the Avalanche breakdown voltage. The SMF30AT1G is designed to protect electronic devices from electrical overstress caused by transient voltage surges. It can be used in a variety of protection applications including electronics, automotive, signal isolation, and communications.

Application Fields

The SMF30AT1G is designed to protect electronic devices from transient voltage surges. It is ideal for use in automotive, signal isolation, and communications applications. It can be used in both commercial and industrial environments to protect against transient voltages. It can also be used in AC and DC power systems, and in a variety of consumer electronic and lighting applications. Additionally, the SMF30AT1G can be used to protect low-power signals from high-voltage events.

Working Principle

The SMF30AT1G is an Avalanche breakdown type of TVS diode. It works by limiting the voltage across the terminals of the device and discharging electric currents caused by transient voltage surges. In order to do this, the device utilizes a PN junction barrier that is used to clamp the voltage. When the transient voltage is greater than the clamping voltage of the device (the Avalanche breakdown voltage), the device will conduct current away from the protected circuit. This not only protects the protected circuit from damage due to voltage spikes, but also dissipates the energy released by the transient voltage.

The SMF30AT1G also has a clamping voltage rating that usually varies within a range of 12.5 V to 24 V. This range is usually determined by the device’s Avalanche breakdown voltage. It is important to note that the device can only handle a maximum peak current of 14 A. In order to use the device effectively, it is important to ensure that the device is designed to handle the transient voltage and to prevent overloading and damaging the device.

The SMF30AT1G is designed to protect electronics from transient voltages. It is a fast, and low capacitance, unidirectional TVS diode. It is ideal for a variety of applications including automotive, signal isolation, and communications. It works by utilizing the PN junction barrier and clamping the voltage across the terminals of the device, thereby limiting the current released by transient voltages. Additionally, it has a clamping voltage rating usually between 12.5 V and 24 V and can handle a surge of up to 14 A.

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