B72210S2381K101

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B72210S2381K101 Application Field and Working Principle

B72210S2381K101 is part of a series of TVS - Varistors, MOVs (transient voltage suppressors/ metal oxide varistors), which are electrical devices primarily used for protecting components and circuit board during spikes in voltage. This series is designed with voltage ratings from 10 to 500 VDC and a high surge current capacity of over 1200 amps.

Application Field

As a reliable and cost-saving tool, B72210S2381K101 is applied in a wide range of fields, such as servers, electrical appliances, telecommunication systems, power supplies, inverters and other sensitive or industrial devices. They provide protection against high-voltage spikes, preventing expensive repairs and maintenance.

Working Principle

The B72210S2381K101 is an unidirectional surge protector and functions based on the principle of surge clamping. Its ZnO (Zinc Oxide) semiconductor element has a positive temperature coefficient, which helps to protect against over current. During normal working conditions, the MOV will remain in its non-conductive state and will be completely invisible to the flow of current. As soon as a transient voltage occurs that is more than the chosen Z TX range of the device, the MOVs will be triggered and start conducting, thereby limiting the peak voltage of the system to the rated one-time peak voltage (V P ) of its selected protection level.

Advantages

The B72210S2381K101 is extremely effective, offering excellent protection against over voltage and over current. It is also environmentally friendly and compliant with RoHS norms, and offers a highly stable level of performance even with normal temperature and different temperature cycles. Furthermore, its compact design offers quick installation time and requires no additional space.

Disadvantages

Its main disadvantage is that, when using it in environmental temperature below 0 °C, its performance may be reduced. This might cause failure of electronic circuits and hence should be taken note of.

Conclusion

The B72210S2381K101 is a reliable, cost-efficient and compact lightning protection device. It offers superior protection against voltage and current surges, thereby helping to prevent expensive repairs and maintenance and ensuring the safety of critical electronic components. Although it may not be suitable for use in extremely low temperature environments, it is a highly beneficial tool when used in most other applications.

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