CMT4-3-R

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Common Mode Chokes (CMC) are electrical devices used to block unwanted high frequency noises in signal lines. They are commonly used to protect electronics from noise emissions created by high frequency switching from other near-by electronics. The core of the common mode choke consists of a ferrite material encased in a metal housing.

The CMT4-3-R is an example of a common mode choke that offers high performance and low noise in impedance matched pairs. It can withstand up to max current rating of 200ma and has a peak inductance of 18nH. CMT4-3-R operates within a temperature range of -40 to +125 °C.

The application fields of CMT4-3-R mainly include signal line isolation, radio frequency interference (RFI) rejection, surge protection, and high-speed signal integrity. CMT4-3-R is mainly used in automotive, industrial, medical and telecom applications. It can also be used in audio and video consumer electronics such as computer monitors, mobile phones and digital cameras.

CMT4-3-R works according to the principle of noise suppression. It works by filtering unwanted noise from the signal line by using magnetic fields. The common mode choke is composed of two mirrored windings, which are wound in opposite directions. The noise generated from other electronic devices is mainly in the form of electromagnetic interference (EMI), which is induced into the signal line. The mirrored windings create a magnetic field which trap the EMI and block it from being transmitted to the signal line. Therefore, the noise in the signal line is suppressed.

CMT4-3-R also has a metal housing, which helps protect the core of the common mode choke from external electro-magnetic interference. This ensures that the common mode choke can effectively filter out external electromagnetic noises. The metal housing also helps protect the core from mechanical wear and tear.

In conclusion, the CMT4-3-R is a highly reliable common mode choke designed for signal line isolation, RFI rejection, surge protection and high-speed signal integrity. It has a high current rating and a peak inductance of 18nH. The CMT4-3-R works on the principle of noise suppression and is suitable for a wide variety of applications. Its metal housing ensures that its core is well protected from external electro-magnetic interference.

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