ERZ-VF2M470

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ERZ-VF2M470 are TVS - Varistors, MOVs widely used in the areas of electrical and electronic engineering. It is mainly used in surge protection for all types of electronic devices.

The ERZ-VF2M470 is a low capacitance polymeric TVS (Transient Voltage Suppressor), using metal oxide Varistors (MOVs) technology. It features a varistor element with high energy handling capability, combined with a fast response time. The TVS also utilizes the EPCOS B72220 series which has a proven track record in surge protection and supports systems that comply with heavy ESD load test standards.

In practical application, ERZ-VF2M470 should be connected between the two points in a circuit, so that the circuit can absorb the transient overvoltage and limit it to the maximum limit. This device provides surge protection against high voltage spikes, lightning strikes, and power line transients. It is also capable of withstanding emissions from surrounding electronics.

In terms of working principle, ERZ-VF2M470 is basically made up of two parts: the varistor element and a fast-response part. The varistor element is the main component of the device which is mainly used to control the voltage across the device. The fast-response part is used to ensure that the voltage across the device is limited within a safe range. When an over-voltage transient occurs, the voltage across the device increases to a specified level, and the fast-response part immediately intervenes to clamp the voltage within a predetermined safe range. The clamping voltage is usually set to a low voltage such as 5V. Thus, the circuit is protected from the over-voltage transient.

The ERZ-VF2M470 can also be used in combination with other components for more optimal protection. For example, it can be used together with protective circuits, such as zener diodes, snubber circuits, or MOVs, to further protect the device from over-voltage transients.

ERZ-VF2M470 is a reliable surge protection device that provides efficient and effective protection against over-voltage transients. It is easy to install and requires minimal maintenance. Due to its superior performance, this device is widely used in a variety of applications, such as automotive, communications, commercial, and consumer electronics.

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