4420P-601-470/101

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Electromagnetic interference (EMI) and radio frequency interference (RFI) filters are components designed to reduce the impact of interference on electrical systems. The 4420P-601-470/101 application field and working principle falls into this category.

The 4420P-601-470/101 is a wide-band, high-performance, two-stage filter with a passband of 4 MHz to 250 MHz and a stopband of 30 MHz to 1000 MHz. It is designed to reduce a wide range of radio frequency interference (RFI) exacerbated by high-frequency digital equipment in domestic and industrial applications.

The 4420P-601-470/101 employs a two-stage filter design, consisting of a low-pass filter and a band-stop filter. The low-pass section consists of an inductor and a capacitor, with the capacitor providing a near constant resistance over the passband. The stop-band filter is comprised of inductors and capacitors arranged in a “tank” configuration. This combination provides an insertion loss over the pass band of 9 to 13 dB, and a rejection of 30 dB or greater in the stop band.

The 4420P-601-470/101 employs an internal ferrite shield over the two stages of the filter. This is necessary in order to ensure high performance over a wide frequency range, and to preserve the integrity of the signal being filtered. The ferrite shield reduces eddy current losses in the filter, resulting in improved performance and effectiveness.

The 4420P-601-470/101 is designed for use in various types of radio frequency systems. It is useful in domestic and industrial applications such as medical equipment, computer systems, telecommunications systems, and item tracking systems. It can also be used in automotive and aircraft applications, where its small size and light weight make it ideal for use in confined spaces.

The 4420P-601-470/101 is an effective filter for applications that require the high level of performance provided by the two-stage design. With its wide passband and stop-band: and its shielding to reduce eddy current losses, the filter provides the user with a high degree of assurance that interference levels due to high frequency ambient radio waves will be reduced.

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