RI111PC

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PC applications which involve the use of common mode chokes are becoming increasingly popular, as they provide improved electromagnetic protection from environmental and circuit-level noise. The RI111PC application field and working principle can be applied to a wide range of applications, from consumer electronics to data communications, and are designed to block common mode noise from entering a system, while allowing the desired signal to pass.

The RI111PC is a common mode choke which uses a ferrite-based core to help attenuate electromagnetic interference (EMI) interference. The ferrite-based core is made up of several distinct components: a ferrite powder, a copper braid, an iron based powder, an etching foil, and a high-cost epoxy. The relative position of these components results in the ferrite core having an effective magnetic field which can help to attenuate EMI interference.

The RI111PC also features an outer conductor, typically made of a copper or aluminum braid. The inductance of the outer conductor is dependent on the design of the outer conductor, but typically ranges from tens of nanohenries to hundreds of nanohenries. The outer conductor is designed to decrease the inductance of the common mode choke, which is important for reducing EMI interference.

A key feature of the RI111PC is its ability to pass a small signal while blocking a large common-mode signal. This is achieved through the combination of the ferrite core and outer conductor. The ferrite core acts as a high pass filter, allowing a small signal (5-10 MHz) to pass through while blocking larger common-mode signals. The outer conductor acts as a low pass filter, allowing larger signals (up to about 1 GHz) to pass through while blocking smaller common-mode signals.

The RI111PC also features a thermal shutdown circuit, which is designed to protect sensitive electronic components from damage due to heat. The thermal shutdown circuit is enabled when the core temperature exceeds a certain threshold, and it shuts down the device to help protect it from overheating.

The RI111PC is a versatile common-mode choke, and can be used in a wide range of applications. It is ideally suited for applications which require high noise isolation and high common-mode immunity, such as USB and Ethernet applications. It is also suitable for applications which require high level of immunity to EMI, such as wireless communication systems. In addition, it can be used in shielded rooms and in automotive applications where frequent EMI inspections are necessary.

In summary, the RI111PC is a versatile common mode choke which provides excellent EMI protection, and is suitable for a wide range of applications. It features a ferrite-based core and an outer conductor, which work together to provide high common-mode immunity, while allowing smaller signals to pass. It also features a thermal shutdown circuit for protection against overheating, and is suitable for applications which require high level of EMI immunity.

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