USBUF01P6 Filters

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EMI/RFI filters are used to protect electronic devices from electro-magnetic interference (EMI) and radio frequency interference (RFI). They are composed of linear circuits, such as inductors and capacitors, that act as barriers between the electronic equipment and the external source of interference. USBEF01P6 is a EMI/RFI filter which provides both common-mode and differential-mode attenuation of radio frequency and electro-magnetic fields in limited-space environment such as PC cards or user-mounted medical devices.

USBEF01P6 has a wide range of applications due to its ability to reduce both RF and electromagnetic interference and its small form factor. It can be used in a variety of electronic and medical devices, such as PCs, notebooks, PC cards, servers, rackmount systems, medical instruments, and many other device types. USBEF01P6 filters have been used in applications where low-noise, high-precision signal processing is needed, such as medical instruments, instruments for low-density digital signal processing, and even radio receivers.

USBEF01P6 consists of two series-type LC cores and one differential line inductor. The cores provide differential-mode attenuation at 8MHz and 12MHz, while the differential line inductor provides common-mode attenuation from 0.5MHz to 10MHz. The filter is designed in such a way so as to provide the most attenuation at the frequencies that are most likely to contribute to electro-magnetic interference in the environment.

The working principle of USBEF01P6 is to limit the transfer of energy between the interfering source and the circuit it is connecting. The transfer of interference is accomplished without affecting the performance of the protected circuit. The two series-type LC cores act as a low-pass filter, attenuating high-frequency interference before it reaches the device. The differential line inductor prevents the interference from entering the device in a common-mode. This feature also helps reduce common-mode noise on the circuit. The attenuation provided by USBEF01P6 is useful in suppressing high-frequency interference from the environment, thus providing better protection to the connected circuit.

In conclusion, USBEF01P6 is a high quality EMI/RFI filter designed to provide both common-mode and differential-mode attenuation of radio frequency and electro-magnetic fields in limited-space environments. Its ability to reduce both RF and electromagnetic interference makes it suitable for a wide range of applications, including PCs, notebooks, PC cards, servers, rackmount systems, medical instruments, and many other device types. Its working principle is based on the use of two series-type LC cores and a differential line inductor, which act as a low-pass filter to attenuate high-frequency interference. This allows USBEF01P6 to provide the most attenuation at the frequencies that are most likely to contribute to electro-magnetic interference in the environment.

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