B72210S0170K551

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Varistors, MOVs, and other transient voltage suppressors (TVS) are useful devices that provide protection against electrical transients that can damage electronic components. TVS devices come in a variety of forms, and one of the most popular is the B72210S0170K551 variety. This device is very popular because of its reliable performance and low cost. The B72210S0170K551 application field and working principle will be discussed in more detail in this article.

Application Field

The B72210S0170K551 is mainly used in automotive and industrial control systems. Automotive applications include protection of fuse boxes, injector coils, and sensors. Industrial applications include industrial automation systems, robots, and PLCs, where it is used to help protect electronic components from harmful voltage spikes. It can also be used to reduce the amount of noise in high-voltage power circuits. The B72210S0170K551 is also suitable for low-voltage AC/DC applications in medical equipment, solar power systems, and other fields.

Working Principle

The B72210S0170K551 is a metal-oxide varistor (MOV) with an activated zinc-oxide based semiconductor. It is usually constructed of multiple layers of ceramic and zinc oxide, with a protective metal layer on the surface. When an electrical transient occurs, the zinc oxide particles expand and contract, stopping the transient from reaching the protected electronic components. This device is able to absorb up to 17.0 joules of energy, which is enough to provide effective protection against many standard electrical transients.

The internal construction of the B72210S0170K551 makes it much more reliable than some other types of MOVs. It is able to handle higher voltages and currents without damage, making it ideal for use in higher-voltage applications. Additionally, the device is temperature-independent, meaning it will not be affected by extreme temperature shifts. Finally, the B72210S0170K551 is RoHS compliant, meaning it has no hazardous materials present in its construction.

Conclusion

The B72210S0170K551 is a popular metal-oxide varistor with excellent performance and reliability. It is commonly used in automotive and industrial applications, and its internal construction ensures it is able to handle higher voltages and currents without damage. Additionally, it is RoHS compliant and temperature-independent, making it an ideal choice for a wide variety of applications. The B72210S0170K551 is a cost-effective and reliable choice for protecting electronic components from electrical transients.

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