EMIF06-HSD04F3 Filters

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Electromagnetic interference (EMI) and radio frequency interference (RFI) filters are devices used to reduce electromagnetic and radio frequency noise in electrical circuits. EMIF06-HSD04F3 is a type of EMI/RFI filter. This type of filter is used in applications which require a high level of attenuation to suppress interference from outside sources (EMI) or external radiation (RFI). EMIF06-HSD04F3 is a surface mount filter suitable for use in a wide variety of applications, including automotive, consumer, and industrial applications. This section will discuss the application field and working principle of EMIF06-HSD04F3.

EMIF06-HSD04F3 is a low-pass filter designed to attenuate frequencies from 0Hz to 6GHz. It can be used in both surface mount and through-hole mount applications, and is available in a wide range of case sizes and termination types. When used in its maximum allowed operating temperature range of -40°C to +150°C, it can provide up to 90dB of insertion loss. The filter also features a low leakage current of less than 50μA, making it suitable for use in high-impedance circuits.

The primary application field of EMIF06-HSD04F3 is automotive, consumer, and industrial applications where it is used to reduce interference from both external sources as well as internally generated sources. In automotive applications, the filter is often used to reduce radio interference in audio systems, reduce ignition noise in ECUs, and prevent engine noise from entering the passenger cabin. Similarly, in consumer and industrial applications, the filter is used to reduce electromagnetic and radio frequency noise in applications such as cordless phones, wireless access points, and test & measurement equipment.

The working principle of EMIF06-HSD04F3 is based on the use of LC (inductance-capacitance) networks. LC networks are composed of both inductors and capacitors. In this filter, the inductors are used to pass low-frequency signals, while the capacitors are used to block high-frequency signals. The combination of these two components forms a low-pass filter, which blocks high-frequency signals while allowing low-frequency signals to pass through.

EMIF06-HSD04F3 is an effective solution for reducing EMI/RFI interference in a variety of automotive, consumer, and industrial applications. Its high attenuation and low leakage current make it an ideal choice for applications which require a high level of suppression. Furthermore, its low-pass filter design based on LC networks enables it to provide effective protection against interference from both external sources and internally generated sources.

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