UF1717V-300Y1R2-03

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Common Mode Chokes, also known as CM chokes, are one of the most common and useful components for controlling excessive noise in electrical systems. The UF1717V-300Y1R2-03 is a type of Common Mode Choke designed for use in various applications. This article will discuss the application field and working principle of the UF1717V-300Y1R2-03.

The UF1717V-300Y1R2-03 is a three-line (3-line) Common Mode Choke used in various industrial and consumer applications. It is typically used to reduce differential mode noise as well as to reduce common mode noise by providing a low-impedance path for differential-mode signals while blocking common-mode interference. The UF1717V-300Y1R2-03\'s three lines can be used to filter noise from two- or three-phase circuits, and to reduce conducted noise in systems comprising high-speed differential data lines.

The UF1717V-300Y1R2-03 is a broadband Common Mode Choke with wide operating frequency range and high attenuation performance. It is designed for use in DC/DC converters, low-power inverters, motor control system switching power supplies, class D digital amplifiers, communication systems, and other noise-sensitive systems.

The UF1717V-300Y1R2-03 uses a differential-mode inductor as its core for suppressing common mode current and attenuating common mode noise while leaving the differential mode signal unaffected. This differential-mode inductor is constructed by winding two insulated copper wires around a ferrite core. The two wires are wound in opposite directions, creating a self-sensing pair. The inductor’s magnetization pattern creates a differential and common mode noise cancellation effect for higher efficiency in suppression of common mode noise.

The UF1717V-300Y1R2-03 also uses combination capacitors, which are composite capacitors made of different materials and in various combinations, to effectively dampen high-frequency noise. The combination capacitors work in concert with the differential-mode inductor to create a more complete filtering solution for attenuation of common-mode interference. The combination capacitors also allow for wide-ranged and more efficient attenuation of common mode noise.

The UF1717V-300Y1R2-03 is rated up to 5 amperes of operating current, and features a low-profile package with robust insulation to provide reliable protection against high electrical surge or other electrical damage. The choke is also resistant to environmental factors such as humidity, temperature, and dust. It also features a wide operating temperature range of -55 to +125 °C.

In summary, the UF1717V-300Y1R2-03 Common Mode Choke is designed for a variety of applications, including DC/DC converters, low-power inverters, motor control system switching power supplies, class D digital amplifiers, and communication systems. It features a differential-mode inductor with combination capacitors for high efficiency in suppression of common mode noise. It is also highly reliable for its robust insulation and wide operating temperature range.

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