B72220T2421K105

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TVS - Varistors, MOVs

B72220T2421K105 is a TVS-Varistor MOVs device designed for surge protection. A varistor, also known as a voltage-dependent resistor (VDR), is a component that provides protection for various types of circuits against overvoltage. MOVs (Metal Oxide Varistors) are often used in place of varistors. B72220T2421K105 is an MOV that is commonly used in surge protection applications.

Application Field

B72220T2421K105 is suitable for use in a variety of surge protection applications in various industries and field installations. It can be used in electrical, electronic equipment, telecommunication, automotive, lighting, and security systems. It is specially designed for multi-stage surge protection.

Working Principle

B72220T2421K105 works by clamping the voltage to protect the device from overvoltage. The protection works in two stages. When the voltage level exceeds the trigger voltage, it clamps the voltage level to the holding voltage. After the holding voltage is exceeded, the mov will absorb the energy from the surge and limit the voltage level to the clamping voltage. When the surge is over, the device will slowly return to its original values.

B72220T2421K105 is made of nonlinear material which exhibits a nonlinear voltage-current characteristic. The characteristic of the MOV changes as the applied voltage increases. When the applied voltage increases beyond the trigger voltage, the voltage starts to drop due to the nonlinear resistance of the device. The amount of voltage drop is proportional to the amount of surge current.

B72220T2421K105 also has a fast response time compared to other protection devices. This makes it suitable for use in applications where a fast protection response is necessary. The device can provide protection even in the face of high-frequency surges.

The device is compact and can easily be installed in tight spots. It is also RoHS compliant and UL approved, which makes it suitable for commercial and industrial applications.

The device is also designed to be used as multi-stage surge protection, allowing for up to five different protection levels. This allows it to provide an effective protection solution even in applications where the risk of surge is high.

In conclusion, B72220T2421K105 is an ideal device to provide surge protection in a variety of applications. It has a fast response time, can provide up to five levels of protection, and is compact and easy to install. It is RoHS compliant and UL approved, making it suitable for both commercial and industrial applications.

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