EXC-18CS900U Filters

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Common mode chokes are an important component in the power system. They are used to attenuate common mode noise that may be produced by the system, such as switching noise and motor noise. In addition, common mode chokes can also be used to reduce conducted immunity and conducted EMI susceptibility in the system. The EXC-18CS900U is a common mode choke designed specifically for the power system.

The EXC-18CS900U is a three-terminal common mode choke that provides an effective EMI solution for power systems. It is constructed with a specially designed EMI shield that provides effective attenuation for EMI up to 400MHz. It also has three terminal pins and one centre pin, allowing it to be wired to the power system for enhanced EMI attenuation. The three terminal pins of EXC-18CS900U are all connected to ground, while the centre pin has no connection to the system. This allows the EXC-18CS900U to effectively filter out the common mode noise from the system, while allowing the system to continue to function normally.

The working principle of the EXC-18CS900U is based on a type of inductive common mode filter. The three terminals are all connected to ground, while the centre pin operates as a single winding. When a common mode current enters the choke, it creates an inductive field that opposes the current. This oppositional inductive field reduces the current, thereby attenuating the common mode current. This inductive common mode filtering also improves conducted immunity and conducted EMI susceptibility for the system.

The EXC-18CS900U is designed for use in high power applications such as motor drive systems, switching power supplies, industrial automation and power electronic systems. It is also suitable for applications where high line-to-ground common mode noise needs to be effectively attenuated. In addition, it is ideal for applications where conducted immunity and conducted EMI susceptibility needs to be improved, such as household appliances and automotive electronics.

The EXC-18CS900U is a high power common mode choke designed specifically for power system applications. It uses the inductive common mode filtering technique to attenuate common mode noise, while providing improved conducted immunity and conducted EMI susceptibility. This makes it ideal for a variety of applications, such as motor drives, switching power supplies and industrial automation systems.

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