PLY17BN1721R5B2B

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Common Mode Chokes (CMCs) play an important role in electromagnetic interference (EMI) and radio frequency interference (RFI) attenuation. This article will focus on the PLY17BN1721R5B2B CMC–its application field and working principle.

PLY17BN1721R5B2B is a type of CMC that is primarily used in applications where high current filtering and a small size are required. It is designed with ferrite core material, which is very strong and durable, making it ideal for applications that require reliable performance in harsh environments. The CMC has a voltage rating of 850V AC RMS, making it suitable for a wide range of high-voltage applications, including EMI and RFI shielding. The CMC also features a special thermal cut-off fuse that prevents it from deteriorating over time due to excessive heat. The special thermal fuse makes the CMC more reliable in high temperature application fields such clocks, SMPS, and DC/DC converters.

CMCs work by filtering out undesirable frequencies and eliminating them via a process known as “common mode attenuation.” This process is achieved by implementing an inductor/capacitor combination in two windings. The inductor works to reduce the common mode pulse current, while the capacitor works to reduce the differential mode pulse current. This combination results in effective filtering to reduce the noise in the system. The PLY17BN1721R5B2B CMC is particularly effective at filtering out EMI and RFI frequencies due to its high-quality components and efficient design.

In conclusion, PLY17BN1721R5B2B is an efficient CMC with a wide range of applications due to its ability to reduce EMI and RFI through its common mode attenuation process. The CMC is highly durable and features a thermal fuse to protect it from damage. Its small size makes it suitable for a variety of application fields, such as clocks, SMPS, and DC/DC converters that require reliable performance in harsh environments. Above all, its effectiveness in the filtering of EMI and RFI makes it an ideal choice for use in any application that requires high current filtering.

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