SBSPP1000471MCR

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The SBSPP 1000471MCR is an EMI/RFI Filter, specifically a type of LC network filter, which is used to protect electronics from electromagnetic interference (EMI) and radio frequency interference (RFI). It is a three-terminal component that is designed to fit an industry-standard footprint and has a rated current of 10 A and an operating voltage of 400 Vdc. The component is also capable of withstanding high levels of surge and transient voltage and is rated for frequencies up to 100kHz.

LC filters consist of inductors and capacitors, grouped together in a particular configuration to filter out undesired frequencies. This particular filter is constructed with two series inductors and three parallel capacitors. The inductors act as impedance between the input and output lines, blocking frequencies that are above the Cutoff frequency, while the capacitors act as a low-pass filter, blocking frequencies that are below the Cutoff frequency. In this configuration, the filter passes only frequencies that are equal to or higher than the Cutoff frequency, allowing the desired signal to pass while blocking the unwanted interference.

The general principle of operation is simple: By using reactance (inductance and capacitance) to reject undesired frequencies, a filter passes frequencies that have lower reactance and blocks frequencies that have higher reactance, thereby providing inductive or capacitive isolation between the input and output lines. The SBSPP 1000471MCR is no different in this respect. It is designed to provide electromagnetic compatibility (EMC) and radio frequency interference (RFI) protection for circuits that are exposed to externally generated interference, such as electromagnetic or radio waves.

The filter is typically used when an electronic device needs protection from EMI or RFI interference, such as in the aerospace industry, consumer electronics, automotive electronics, medical electronics, and telecommunications. It can also be used to improve the signal integrity and reduce conducted or radiated emissions from within a device. The filter also helps to protect a device from high voltage spikes or other transients, reducing the amount of degradation and preventing permanent damage. In summary, the SBSPP 1000471MCR is an EMI/RFI filter that is designed to provide robust protection from both undesired interference and transients.

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