CTX66-19270-R

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Common mode chokes, such as the CTX66-19270-R, are popular choices for mitigating common mode noise in high frequency circuits. The wide range of applications in which they are employed are as varied as the industries they serve. This article will explore the many applications and working principles of the CTX66-19270-R.

As a type of inductive element, common mode chokes are passive components used to reduce electromagnetic interference (EMI) on a variety of signal paths. These paths are characterized by an unwanted high frequency energy, which is commonly known as “noise”. The CTX66-19270-R specifically is a small 4-pin Common Mode Choke with a maximum current rating of 150mA and a frequency coverage of between 500MHz and 1GHz. It is often employed in various applications for the suppression of differential and common-mode noise in applications including HDMI, CATV, automotive, medical, and office equipment systems.

The CTX66-19270-R consists of four coils, two per each common mode line, which are arranged in such a way so as to maximize its asymmetry characteristics. This helps in achieving a significant level of common mode noise attenuation. Its frequency coverage also helps in providing protection against emissions in the 500MHz to 1GHz range.

The CTX66-19270-R series choke operates in its common mode region. In this mode, the choke provides both inductance and impedance with regard to high frequency noise coupled onto the signal path. The combined inductance and impedance of the choke, along with its frequency coverage, helps in providing effective shielding for the signal path and helps in reducing common mode noise. This type of common mode noise reduction is essential in order to ensure that the desired signal is not interrupted by undesirable levels of noise.

By using common mode noise reduction techniques on a signal path, the level of EMI which would otherwise interfere with the signal can be minimized. In addition, the CTX66-19270-R also offers excellent suppression of differential-mode noise which can be caused by the presence of a differential-mode signal in a common-mode circuit. This additional differential-mode noise suppression is beneficial in helping to preserve high quality signals.

The CTX66-19270-R has an integrated balun which works in a single-ended to balanced mode type configuration. This single-ended to balanced mode configuration provides a high level of electrical isolation that prevents common mode noise from entering the signal path. This isolation is also beneficial in preventing the signal from being unintentionally conducted to other electrical components in the system.

The CTX66-19270-R employs its own robust construction, which allows it to confidently withstand tough EMI environments. It has a robust dielectric case which provides additional isolation for the filter and its components. Additionally, it is also protected by a durable metal cover which helps to shield it from potential physical damage.

Common mode chokes, such as the CTX66-19270-R, are a popular choice for suppressing EMI on various signal paths. This type of common mode noise reduction is essential in order to ensure that the desired signal remains uninterrupted by unwanted noise. The CTX66-19270-R, in particular, offers excellent suppression of both differential-mode and common-mode noise and is a great choice for applications where a high level of immune performance is required. Its integrated balun makes it highly effective in providing electrical isolation which helps to prevent undesired interference. Furthermore, its high quality hardware components make it highly resistant to physical impacts, effectively providing it with a long-lasting performance.

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