SZ1SMB58AT3G

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TVS - Diodes

The SZ1SMB58AT3G is a high performance 3-Terminal Bi-Directional Transient Voltage Suppressor (TVS) diode. In modern electronic circuits, these devices are commonly used to provide circuit level protection from electric shocks, voltage transients, and other disturbances. This article will discuss the application fields and working principles of the SZ1SMB58AT3G.

Application Field of the SZ1SMB58AT3G

The SZ1SMB58AT3G is designed for surface mount technology and offers a low profile package while still providing the large peak pulse current ratings necessary in high electrical transients and surges. This makes it suitable for use in EMC applications such as TV sets, air conditioners, and communication units. The device is also suitable for computer boards, cellular phones, heavy-duty industrial machines, and automotive systems.

In terms of its electrical characteristics, the SZ1SMB58AT3G is capable of protecting a variety of sensitive electronics from electrical transients. It has a fast response time of 10ns, a maximum peak pulse power of 1.3kW, and a low turn-on voltage (VBR) of 5.8V. Additionally, the device has low leakage current of < 10uA at 55℃. This makes it ideal for use in a variety of applications where electrical transients must be suppressed.

Working Principle of the SZ1SMB58AT3G

The SZ1SMB58AT3G is a three-pin TVS diode, meaning it contains three pins: an anode, a cathode, and a gate. When the anode is at a higher voltage than the cathode, a depletion region is created between the pins and the device is said to be “on”. When the anode voltage falls below the cathode voltage, the depletion region is destroyed and the device is said to be “off”.

When the SZ1SMB58AT3G is exposed to an electric transient, it is designed to immediately reduce the surge current and clamp the voltage to the VBR level. The device is capable of withstanding high currents of up to 1.3kW in short bursts and up to 10A in continuous operation in order to protect sensitive electronic circuitry. Furthermore, the device has a low clamping voltage of 5.8V, meaning it is suitable for use in low voltage applications, such as with cellular phones, laptops, and other battery-powered devices.

In addition to providing circuit protection from transients, the SZ1SMB58AT3G can also protect against reverse voltage. When reverse voltage is applied, the device will act as a current limiter and prevent damage to the connected circuit. This is an important feature for equipment that operates in harsh conditions where power disturbances could occur.

Conclusion

The SZ1SMB58AT3G is a high-performance bi-directional transient voltage suppressor (TVS) diode. It is designed to provide circuit level protection from electric shocks, voltage transients, and other disturbances. In addition, it has a fast response time, a maximum peak pulse power of 1.3kW, and a low turn-on voltage of 5.8V. Furthermore, it is suitable for use in a variety of applications such as TV sets, air conditioners, computer boards, cellular phones, heavy-duty industrial machines, and automotive systems. Its high performance and low profile make it the ideal choice for EMC protection.

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