PEMI1QFN/RP,315 Filters

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The application field and working principle of PEMI1QFN/RP,315 EMI/RFI Filters are designed to provide protection against unwanted external electrical interference when connected to a device or system. The filter is designed to filter out high frequency components and noise which can hinder or interrupt the operation of the device or system. The filter contains both a low-pass filter and a high-pass filter, designed to reject interference signals while allowing wanted signals to pass on to the device or system.

Low-Pass Filtering: Low-pass (LP) filters allow only signals below a certain frequency (Cut-Off Frequency) to pass through the filter. This is because the electrical impedance of the filter gets higher with increasing frequency and so the signals below the Cut-Off Frequency can pass through the filter but higher frequency signals get rejected. The Cut-Off Frequency, also known as the -3 dB point, is determined by the filter\'s components, specifically the inductance and capacitance.

High-Pass Filtering: High-pass (HP) filters allow only signals above a certain frequency (Cut-Off Frequency) to pass through the filter. This is because the electrical impedance of the filter gets lower with increasing frequency and so the signals above the Cut-Off Frequency can pass through the filter but lower frequency signals get rejected. This Cut-Off Frequency is also determined by the filter\'s components, specifically the inductance and capacitance.

The PEMI1QFN/RP,315 includes both low-pass and high-pass filters. This allows the filter to provide both EMI/RFI protection for the device or system by rejecting interference signals and allowing wanted signals to pass. This makes it ideal for use in a wide variety of applications such as communications, data transfer and audio/video equipment where signal interference can cause unwanted noise or disruption of services.

The filter also includes a number of features designed to provide additional protection and performance. These features include:

• Shielded package to reduce the effects of external EMI/RFI from penetrating the filter
• Flux-free construction for improved reliability and stability over time
• High-Q inductor for improved signal fidelity and noise rejection
• Thermally enhanced components for improved heat dissipation and better performance in high temperature environments

The PEMI1QFN/RP,315 EMI/RFI Filter is designed to provide effective protection against unwanted external electrical interference when used in a wide variety of applications. The filter features a shielded package, flux-free construction, high-Q inductor and thermally enhanced components to ensure maximum reliability and performance in the harshest environments. The combination of low-pass and high-pass filters provides effective EMI/RFI protection while allowing wanted signals to pass through, making it ideal for a range of different applications.

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