V420LS7PX2855

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TVS or transient voltage suppressor are common forms of protection, which are used in an attempt to limit overvoltage sequences. The V420LS7PX2855 is a type of TVS, designed to provide bidirectional protection. This article will explain the application field and working principle of the V420LS7PX2855.

The V420LS7PX2855 is ideal for a variety of applications, including in consumer electronics, automotive, telecom, and industrial equipment. It has a wide operating temperature range (-55°C to 150°C) and a low capacitance of 0.9pF. The V420LS7PX2855 is designed to protect against Edpi (8/20µs) surges up to 28.5V. This makes it suitable for applications that require low-voltage protection, such as in Customer Premise Equipment (CPE).

The working principle of the V420LS7PX2855 is as follows. When the voltage at the terminals of the device exceed a certain threshold, the TVS will shunt the current or voltage from one terminal to the other. This shunting causes the voltage to drop below the threshold, thus protecting the system from further damage by the overvoltage. The V420LS7PX2855 has a fast response time of 1~4ns, making it ideal for applications that require immediate protection against overvoltage.

When the voltage returns to its normal levels, the V420LS7PX2855 will reset itself and the system can continue functioning as normal. The TVS also provides ESD protection, since it can absorb up to 8.5kV of ESD in accordance with the EN/IEC 61000-4-2 standard.

In conclusion, the V420LS7PX2855 is a reliable TVS that provides fast and effective protection against overvoltage and ESD threats. It is suitable for a variety of applications, including in consumer electronics, automotive, telecom, and industrial equipment. The device works by shunting current or voltage from one terminal to the other, thus lowering the voltage below a certain threshold. This ensures that the system is protected from further damage by the overvoltage.

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