744230251 Filters

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Common Mode Chokes are electronic components used in power supplies and in the prevention of electromagnetic interference (EMI). The 744230251 Common Mode Choke is an inductor specifically designed to reduce the amount of electrical noise in an electronic system. Common Mode Chokes work by providing a low impedance path to ground for the common-mode current, while still maintaining low impedance to the differential-mode current.

The 744230251 Common Mode Choke features an AC rating of 250V/132mA, with an impedance of 80 ohms. It has an air core type of construction and is 12.7 x 10.2 x 15.9mm in size. Designed for low-frequency noise suppression, the choke utilizes a shielded magnetic core that can reject noise frequencies from 100kHz to 10MHz. It also has low power consumption for economical operation.

The 744230251 is used for applications requiring differential noise suppression and common mode filtering. Possible applications include switching power supplies, motor drives, inverters, data transmission, and high-speed data circuitry. The choke works by suppressing common-mode noise and creating a low impedance path for the common-mode current. This reduces the amount of noise that can enter into the system, which helps to maintain efficient operation.

The 744230251 Common Mode Choke is comprised of a copper wire wound around an air core and a shielded magnetic core. Its inductances range from 13Ω to "1.2KΩ" when operated at 100kHz. The copper wire is then insulated with a self-bonded copper-clad sheet and the shielded core is made from a low-stress material to ensure a low-noise operation.

The most common way to use the 744230251 Common Mode Choke is to connect it between two pieces of equipment or a ground plane. It is important to note that the wire coils must be connected in the correct polarity in order to achieve the desired results. This particular choke is designed to reject common-mode noise; however, it may pass some differential-mode noise due to its low-impedance nature.

In conclusion, the 744230251 Common Mode Choke is an effective way to reduce the amount of detrimental electrical noise that can enter into an electronic system. It is ideal for applications where differential noise suppression is required and accepts frequencies up to 10MHz. The inductor utilizes a shielded core to reject common-mode noise and the low-impedance wire coils retain a good balance of differential-mode noise rejection.

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