UF1717HB-702Y0R3-01

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Common mode chokes are a type of electrical device used to reduce EMI (Electro Magnetic Interference) in analog and digital circuits. The UF1717HB-702Y0R3-01 is a common mode choke developed by Murata for EMI/RFI suppression. It is a two-core ferrite-bead type with a maximum current rating of 2A. This article will discuss the application field and working principle of the UF1717HB-702Y0R3-01.

The UF1717HB-702Y0R3-01 is a common mode choke designed to be used in applications that require effective EMI/RFI suppression. Common applications include switching power supplies, communication circuits, and consumer and industrial electronics. The low insertion loss of the choke ensures it does not interfere with the signal, and the excellent noise suppression of up to 200dBuV keeps data and signals clean. The highly reliable ferrite material also helps ensure the choke provides consistent protection throughout its long service life.

The working principle of the UF1717HB-702Y0R3-01 is quite simple. It is composed of two signal lines - a hot line and a ground line - in which the noise is suppressed. The hot line carries the main current, while the ground line helps provide reference and return paths. The combination of the ferrite material and the winding of the two signal lines creates a high frequency differential mode impedance (DMI). This impedance creates a low-pass filter that limits high frequency noise and helps suppress it. At the same time, the common mode impedance (CMI) created by the winding helps suppress noise on both the hot and ground lines.

In addition, the UF1717HB-702Y0R3-01 also has a differential mode inductance (DML). The DML helps maintain constant impedance along the line, which helps reduce signal distortion and signal loss. It also helps prevent common mode current from being generated due to differences in potential between the two signal lines.

The UF1717HB-702Y0R3-01 is a highly reliable common mode choke that can effectively reduce EMI/RFI in various types of circuits. With its high performance, long service life, and low insertion loss, it is an ideal choice for applications requiring reliable EMI/RFI suppression. In summary, the UF1717HB-702Y0R3-01 is a high-quality common mode choke that combines a robust construction with excellent noise suppression capabilities.

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