PE-65554

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Common Mode Chokes are used as a capacitive or inductive energy storage device. They are an electrical component that works as a pass-through filter and isolates the power input from the power output at a given frequency. By using the principles of electrical resonance, a common mode choke can filter out electromagnetic interference (EMI) and radio frequency interference (RFI). This is achieved by converting electrical energy into mechanical or electromagnetic energy.

The PE-65554 application field and working principle, commonly referred to as EMI suppression, are related to the use of Common Mode Chokes in power source applications. These components play a significant role in minimizing EMI interference for downstream output circuits and are used to improve immunity of equipment operating in electrically noisy environments. Commonly used for DC/DC converters, servers and power supplies in severe industrial, medical, and marine environments, these components provide high attenuation characteristics while allowing for higher pass-through efficiency than other noise suppression components.

The working principle of PE-65554 can be described as follows. The PE-65554 Common Mode Choke is composed of two coils wound on a common core. The coils oppose each other’s magnetic field, resulting in a mutual inductance of opposite polarity; therefore, current passing through the coils results in a total EMF as if it’s passing through an inductor. This EMF acts as a low-pass filter, which filters out any higher-frequency components and limits the amount of noise that passes through the power source.

The advantage of using a PE-65554 Common Mode Choke over a normal capacitor-based filter is the fact that the magnetic field generated by the coil can reject higher-frequency EMF, resulting in greater attenuation and increased pass-through efficiency. Additionally, PE-65554 also offers an isolated power source, meaning there is less of a chance of high-frequency noise being picked up by the power source from outside sources. This isolation also allows for greater interference rejection performance and improved overall power system stability.

In conclusion, the PE-65554 Common Mode Choke has many advantages over other traditional and passive-EMI filters, such as improved pass-through efficiency, greater EMF attenuation, and improved power system isolation. Additionally, the use of Common Mode Chokes can help protect downstream circuits from unwanted EMI noise and improve system performance in industrial, medical, and marine environments.

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