PE-0805CCMC121STH

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Common Mode Chokes

Common Mode Chokes, also called a Common Mode Inductor, are passive componentsdesigned to block any signals that present themselves as a Common Mode current. Common Mode signals are predominately High Frequency, but can range from DC to radio frequencies. Common Mode Chokes are often found in many applications, such as LED drivers, motor drives, high speed data transfer (e.g. USB) and Radio Frequency (RF) applications, where High Frequency interference or adverse noise can disrupt efficient performance.

PE-0805CCMC121STH Application Field and Working Principle

The PE-0805CCMC121STH is a part of a Series of Common Mode Chokes designed for application in various High Frequency switching circuits, primarily USB applications. The Series also offers a wide range of different sizes, from 0805 to 1016 packages suitable for different circuit designs. The choke Series has capacitance values ranging from 1000pF to 8600pF depending on the type.

The PE-0805CCMC121STH features multiple windings that are constructed using two electromagnetic cores that offer extremely low DC resistance, allowing for inductance values below 0.5uH. The construction of the windings allows the PE-0805CCMC121STH to efficiently suppress noise, self-oscillation, and harmonic interference on high speed data buses.

The PE-0805CCMC121STH has static and dynamic characteristics that allow its use in various conditions including High Frequency filtering, RF interference, RF coupling, Radio Interference Suppression (RFI), transient suppression, and magnetic field tangential tension.

The primary function of the PE-0805CCMC121STH is to suppress noise and harmonic interference present on a High Frequency switching circuit, as well as provide a relatively low level of additional attenuation. This allows the PE-0805CCMC121STH to allow higher fidelity within the circuit while maintaining low insertion losses and radiation. The PE-0805CCMC121STH also offers superior common mode, along with dedicated access to each core leg for higher pin count applications.

The PE-0805CCMC121STH is constructed from a mixture of powder core and soft magnetic material to achieve greater efficiency and higher levels of attenuation. This combination allows the choke to function at maximum efficiency and more reliability due to the increased overall power handling capabilities. The PE-0805CCMC121STH also provides a higher level of inductance than more standard chokes.

The PE-0805CCMC121STH is designed for use in a number of high frequency switching applications, including USB, power supply, wireline, and Ethernet devices. In these applications, the PE-0805CCMC121STH has proven to be an effective choice for reducing the level of noise or harmonic interference present. With the addition of other noise reduction components, the PE-0805CCMC121STH can provide superior performance and eliminate most noise.

In conclusion, the PE-0805CCMC121STH is an effective and reliable Common Mode Choke for applications in high frequency switching circuits. With excellent attenuation and other features, the PE-0805CCMC121STH is capable of providing superior noise suppression, and is suitable for a number of industry applications from USB, to power supply, wireline, and Ethernet.

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