V220ZA05PX1347

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TVS - Varistors, MOVs, have become indispensable components in a variety of electronic devices, providing the protection against electrical surges. V220ZA05PX1347 is an example of such components. This component offers ESD line protection over its wide operating temperature range, with high ESD protection levels and low clamping voltage. It is an ideal solution for ensuring protection in various applications such as point-of-sale (POS) terminals, set-top boxes, computers, and many others.

V220ZA05PX1347 Application Field

V220ZA05PX1347 are commonly used for providing protection against ESD-related voltage spikes, fluctuations, and other electrical overvoltages in various applications ranging from IEC-protected systems such as Point-of-Sale (POS) terminals to battery-powered portable devices.

Its ESD protection, as well as its high ESD immunity level (performance to 28 kV per IEC 61000-4-2), makes it extremely suitable for protecting systems from system level failure and manufacturing limitation. This component is also lightweight and flexible enough to be used in applications like portable PCs, automotive, medical, consumer electronics, data and telecom.

V220ZA05PX1347 Working Principle

The V220ZA05PX1347 is an unidirectional Transient Voltage Suppressor (TVS) that is designed to protect components from electrical overvoltage and discharges resulting from Electrostatic Discharge (ESD). Its operating principle lies in the use of two back-to-back thyristors that act in a bidirectional fashion.

When a voltage is applied to the anode of the TVS diode, a strong inversion current flows from the anode to the cathode and across the two thyristors. This current then causes the voltage to drop rapidly and clamp to a safe value. If the voltage rises above the breakdown voltage again, the current within the component will stay at a safe level until the voltage drops below this level again.

The TVS diode then act as a gate between the thyristors, allowing current to flow in either direction until a certain overvoltage is detected. The current will then reduce significantly until the voltage drops back to a safe level. This ensures a reliable level of overvoltage protection.

Conclusion

V220ZA05PX1347 is a component that is specially designed to provide ESD protection over a wide operating temperature range. It is ideally used for protecting against electrical overvoltage and discharges caused by Electrostatic Discharge (ESD). Its design principle is based on the use of two back-to-back thyristors that act in a bidirectional fashion. This ensures a robust level of overvoltage protection in various applications such as Point-of-Sale (POS) terminals, set-top boxes, computers, and many others.

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