SU9VD-10020

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There are many different types of electromagnetic components out there, with one type of component being a common mode choke. Common mode chokes are a type of electrical device which serve to block or reduce high frequency noise from passing through a system. The SU9VD-10020 is an example of a common mode choke, designed to reduce the passage of common mode currents or voltage spikes, and so can be used for various applications. In this article, will discuss the application field and working principle of the SU9VD-10020 common mode choke.

Application Field

The SU9VD-10020 common mode choke is primarily made to be used in DC motor drive systems, particularly in the DC/DC converter systems for electric vehicles. It’s also used in communication systems, computers, electronics, power supplies, and various other electronic devices. It serves to reduce the radiation, electric fields, and interference caused by high frequency current, which can lead to instability in the circuity and cause data loss. This preventative measure makes the choke ideal for use in situations where sensitive electrical systems need to be protected from this type of damage.

Working Principle

The SU9VD-10020 common mode choke has three main parts: the core, the coil, and the shield. The core is a ferrite material with high magnetic permeability, which can generate a strong, steady magnetic field. The coil uses insulated copper wire to tightly wrap around the core, creating an inductor which can generate a deep magnetic field and increase the current flux passing through the choke. The third component is a shield, which helps to prevent any electric fields from escaping and interfering with the work of the core and inductor.

When in operation, the current in the coil is arranged such that it creates two independent paths alongside the core, the flow of which will generate a magnetic field if the current passes through the core at the same time. By generating this magnetic field, this counteracts the electric field created by the two currents that would normally lead to an interference and interfere with the system. As such, the choke works to filter the current, allowing only the desired type of current to pass through while blocking out any potentially damaging noise.

Conclusion

In conclusion, the SU9VD-10020 common mode choke is designed primarily to be used as a filter for noise or voltage spikes in all sorts of electrical circuits, most commonly in DC motor drive systems and communication systems. Its working principle is centred around its use of a core, a coil, and a shield in order to generate a strong magnetic field which counteracts the electric field caused by the two entering currents flowing through the core, thus preventing any interference or radiation of the system.

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