LC7.0A

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TVS (Transient Voltage Suppressor) diodes are widely used in a variety of applications, from protecting general electronics, to automotive engines and across various energy management solutions. The LC7.0A, a special-purpose Thyristor from Littelfuse, is one of the most popular TVS diodes for power management in compact spaces. Here you will learn more about its application, fields and working principle.

Application Field

The LC7.0A is a low capacitance unidirectional TVS diode specifically designed for sensitive electronic equipment such as mobile phones, personal computers and other portable electronic devices. It is often used for low capacitance ESD (ElectroStatic Discharge) protection and lightning surge protection. It can also be used for power rail clamping, EMI/RFI filtering, and reverse battery protection. The low capacitance makes it well suited for protecting delicate components, such as CPUs and memory chips, from overvoltage.

Working Principle

The LC7.0A is a gap thyristor, which means that it uses a breakdown mechanism rather than carrier injection. The device is designed to operate in a low-current, low-voltage environment, and the breakdown voltage is adjustable. This is achieved through the use of a gap, which acts as the gate control element, and allows the device to be adapted to different environments. When the voltage level exceeds the breakdown level, the thyristor turns on and carries current. At the same time, it acts as a clamp, diverting the majority of the voltage away from sensitive components.

Features and Benefits

The LC7.0A has a number of features that make it an ideal protection device. It has a low capacitance of less than 5pF, which makes it suitable for low-current, low-voltage applications. It also has a low on-state resistance, which allows for more efficient current flow. In addition, it has a low leakage current, which helps ensure that there is minimal power dissipation. It is also thermally stable, meaning that it is less likely to suffer from heating and thermal runaway.

The low capacitance and low on-state resistance of the LC7.0A make it an ideal choice for protecting sensitive components and sensitive power management systems. In addition, the low leakage current helps to reduce power dissipation, making the device more efficient, and helps to keep the overall power budget low. Lastly, the thermally stable design helps to ensure that the device will not suffer from thermal runaway, which can be catastrophic in critical applications.

Conclusion

The LC7.0A is a powerful and innovative low capacitance unidirectional thyristor specifically designed for power management in compact spaces. Its features make it ideal for protecting sensitive components from overvoltage, and its low on-state resistance and low leakage current make it a reliable and efficient protection device. The low capacitance and thermally stable design make it a strong candidate for protecting critical components and energy management solutions. We are certain that the LC7.0A will continue to provide valuable protection for many years to come.

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