CMS3-8-R Filters

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Common Mode Chokes (CMCs) are electromagnetic devices designed to reduce interference, often referred to as “noise,” that is conducted along two or more signal paths. CMCs are usually used to suppress noise in the common-mode voltage between two points, and come in many varieties to meet the needs of different environments and applications. One such type of CMC is the CMS3-8-R. This type of CMC is designed to reduce common-mode noise generated by AC power supplies, and is well suited for a variety of medical and industrial applications.

The CMS3-8-R is a type of linear CMC which uses iron powder core technology to provide high levels of inductance. It is a three-legged, multi-tap device which can provide a wide range of inductance values ranging from 1 mH to 10 mH. The device also features a two-layer Shield Structure, which minimizes the effects of external noise from electromagnetic interference (EMI) and radio frequency interference (RFI). Additionally, the CMC is encased in a lightweight yet robust RoHS-compliant plastic casing.

In terms of its application field, Electrical Interference Suppression (EIS) is the main purpose of the CMS3-8-R CMC. It is most commonly used in applications that require the reduction of differential-mode noise, such as AC line power supplies, audio equipment, home theater systems, medical equipment, and other consumer electronics. It is also suitable for motor drives, HVAC systems, power generators, and other industrial applications.

The working principle of the CMS3-8-R CMC is based on the principle of inductance. The device works by using two layers of iron powder cores to create an inductive loop with a high level of inductance. This forces the AC current to flow through the device, which in turn allows the induced current to be decreased and the associated noise to be reduced. This helps to provide clean and reliable power within the application and can help improve system performance.

In summary, the CMS3-8-R is a type of linear Common Mode Choke designed to reduce common-mode noise generated by AC power supplies. It is suitable for a variety of medical and industrial applications and works using the principle of inductance. It is encased in a lightweight yet robust RoHS-compliant plastic casing and features a two-layer Shield Structure which helps to minimize the effects of external noise.

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