4106-002LF

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EMI/RFI filters are used to reduce the electromagnetic interface (EMI) and radio frequency interference (RFI) in a given system. Among them, the 4106-002LF filter is a commonly used two-element low-pass filter type designed for use in the EMI/RFI filter industry. Below, you will find a discussion of the application field and working principle of the 4106-002LF.

The 4106-002LF is mainly used in high-speed digital systems that have to pass electronic emissions standards such as the FCC and CISPR/EN, automotive EMI standards such as ISO 7637-3, or even aerospace/medical standards such as MIL-STD-461/DO-160. It is the ideal choice for applications involving digital systems that need reduced EMI/RFI levels measured in dBm, with the ability to filter frequencies up to 300 MHz. This filter is also especially suitable for those situations where extreme power and size constraints are an issue.

The working principle of the 4106-002LF lies in its two-element low-pass filter type, which is designed to reduce the EMI/RFI levels. This filter utilizes a combination of inductor and capacitor elements to construct a low-pass, high-efficiency filter with good transient and differential mode performance. Since inductance is inversely proportional to frequency, the inductors act as a filter for high-frequency noise, and the capacitors act as a filter for low-frequency noise. Together, they form a filter that can reduce EMI/RFI from a range of frequencies, allowing the targeted system to operate with optimal performance.

In addition, the 4106-002LF also features a tin-plated steel shield that helps protect the filter from environmental factors, as well as shielding components from interference. It even comes with a 100-ohm termination resistor on each port, which reduces the effects of poor grounding and keeps common-mode noise from entering or leaving the system. The 4106-002LF also boasts a ±30 dB ripple rejection, as well as an insertion loss of <1.0dB.

All in all, the 4106-002LF filter proves to be an excellent choice for a wide range of high-speed digital systems, offering optimal protection from interference. Its two-element low-pass filter is highly effective at reducing EMI/RFI levels, and its tin-plated steel shield and termination resistors provide additional shielding and protection from environmental factors. Together, these features make the 4106-002LF a top-tier choice for the EMI/RFI filter industry.

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