ERZ-V20D471

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The ERZ-V20D471 is a transient voltage suppressor (TVS) that is part of a larger family of TVSs, varistors, and metal oxide varistors (MOVs). These products have a wide range of applications in the automotive, industrial, and consumer markets.

TVSs are used to protect electronics from voltage spikes due to electrical transients, which are rapid changes in voltage that can damage sensitive electronics. TVSs are designed to divert the transient voltage away from the electronics, and dissipate it harmlessly in the form of heat. They come in a variety of designs and packages, ranging from SMA surface mount packages to DIP through hole packages.

Varistors are similar to TVSs in that they are designed to divert electrical transients away from sensitive electronics. However, they use an oxide based material such as zinc oxide, silicon carbide, or gallium nitrite to absorb the electrical charge from the transient. Varistors tend to be more reliable than TVSs, but they require more power to operate, making them more suitable for industrial applications such as overvoltage protection.

MOVs are a type of varistor that use a metallic-oxide material instead of an oxide-based material. This material is typically a combination of zinc, manganese, and aluminum oxides. MOVs are typically used for transient voltage suppression, spike voltage clamping, and surge protection. They are more durable than traditional varistors, making them suitable for use in harsh environments.

The ERZ-V20D471 is an SMA TVS that features a low leakage current, high surge capability, and low capacitance for increased signal integrity. It is designed for use in high-speed, high-volume, and harsh environment applications such as networking, automotive, and telecom. The ERZ-V20D471 is packaged in a small, surface mount body and is ideal for use in a variety of commercial and industrial applications.

The ERZ-V20D471 has a working principle that is similar to that of a TVS. When a transient spike occurs, the device is designed to absorb the energy, divert it away from sensitive components, and then dissipate it harmlessly. The device is then reset, allowing it to be ready for the next transient. This process helps to protect the electronics from the transient voltage, preventing damage to sensitive components.

TVSs such as the ERZ-V20D471 provide a reliable and cost effective solution for protecting sensitive electronics from transient voltage spikes. When used in combination with varistors and MOVs, they can form an effective surge protection system for a wide range of applications.

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