ERZ-V20D911

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TVS - Varistors, MOVs are part of the Over Voltage Protection Device family, which are used to limit the voltages and prevent overloading. The ERZ-V20D911 is one of the most popular Over Voltage Protection Devices in this family. It is designed to protect delicate electronic devices from the damage caused by over voltage.

The ERZ-V20D911 is a varistor that works by using an adjustable limit voltage to limit the maximum voltage across the load. When the input voltage exceeds the adjustable limit voltage, the varistor will automatically limit the voltage to the adjustable level and allow the current to flow in a controlled manner, which helps to protect the electronic devices from incurring any damage due to over voltage. The adjustable limit voltage can be adjusted by the user and can range from 175V to 500V.

The ERZ-V20D911 is used in a variety of applications, such as AC-DC switching supplies, telecommunication equipment, power supplies, automotive systems and computers. It is designed to provide reliable protection from over voltage conditions, while also providing an efficient and cost effective solution. The device is also designed to handle temperatures up to +145°C with minimal power dissipation.

The working principle of the ERZ-V20D911 is based on the principle of Zener breakdown. When the input voltage exceeds the adjustable limit voltage, the Zener diode in the device begins to conduct current and limit the voltage. The device also acts as a resistor in the circuit, allowing current to flow in a controlled manner and limiting the voltage. This helps to reduce the risk of over-voltage damage, while still providing efficient and reliable protection.

The ERZ-V20D911 is a reliable and cost effective solution for protecting delicate electronic devices from over voltage damage. It is used in a variety of applications, including power supplies, telecommunication equipment, automotive systems and computers. The device is capable of handling temperatures up to +145°C with minimal power dissipation, and is capable of providing efficient and reliable protection from over voltage damage.

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