B72220T2321K101

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TVS (transient voltage suppressors) and MOVs (metal-oxide varistors) are two of the primary devices used in power management for over-voltage protection. The selection of the right components for the application field is critical. From a functional viewpoint, both types offer excellent protection from high voltages and short transients. However, the two devices can have different characteristics, depending on the characteristics of the application. The B72220T2321K101 is a type of varistor that is used in various power management applications.

B72220T2321K101 Application Field

The B72220T2321K101 Varistor is designed for use in a wide range of applications. It is used in communications equipment, control systems, automotive, telecom, industrial and home appliances. It helps protect sensitive electronic components from damage due to over-voltage and short transients. It is designed to provide protection from up to 150V, making it an ideal device for applications dealing with higher voltage transients.

Working Principle of B72220T2321K101 Varistor

The B72220T2321K101 Varistor is a semiconductor device consisting of a thin film of metal oxides on a ceramic substrate. The device is capable of passing current in one direction, but blocking current in the opposite direction. The key to this device is its response to changes in voltage. When the voltage across the device exceeds a certain threshold level, the device will become conductive, allowing current to flow. The threshold voltage, known as the breakdown voltage, is dependent on the design of the device.

When the voltage exceeds the breakdown voltage, it causes the substrate and thin film of metal oxides to expand, resulting in a large increase in the conductivity of the device. This allows the device to limit the amount of electrical energy that can be passed through it, thus providing over-voltage protection. The device will also dissipate the energy as heat in order to prevent further damage.

Once the voltage has been dissipated, the device will return to its original state and will be ready to provide protection again if the voltage exceeds the breakdown voltage. The device is capable of providing protection against both continuous and short surges of up to 1.5kV and is considered an excellent device for use in power management applications.

Pros and Cons of B72220T2321K101 Varistor

The B72220T2321K101 Varistor has some advantages and disadvantages when compared to other varistors. It is capable of providing over-voltage protection with excellent thermal performance. It also has the ability to dissipate energy as heat in order to prevent further damage to the components. Additionally, it is relatively small in size and is capable of providing protection from up to 150V without degrading quickly.

On the other hand, the B72220T2321K101 Varistor does have some drawbacks. It is not the most efficient device when it comes to dissipating energy as heat, as it is not designed to handle very high levels of current. Additionally, it has a relatively low surge capacity, making it less suitable for applications that require high surge protection.

Conclusion

The B72220T2321K101 Varistor is an ideal device for providing over-voltage protection in a variety of applications. It provides excellent protection from up to 150V and is capable of dissipating energy as heat in order to prevent further damage to the components. While it does have some drawbacks, such as having a relatively low surge capacity, it still makes an excellent choice for power management applications.

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