EAM-30-331-D

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Power Line Filter Modules are a type of electrical filter used for noise reduction and isolation in industrial electronic circuits. The EAM-30-331-D in particular is a common filter module used to reduce conducted emissions and protect the connected circuit from transient voltages, surges, and other transient signals. It is designed to provide high levels of filtering in both differential-mode and common-mode, along with providing excellent attenuation of radiation charges.

The EAM-30-331-D consists of three basic components, which are the primary common-mode filter, the secondary filter, and the filter core. The primary common-mode filter is used to reduce the conducted emission in the frequency band of 150kHz to 30MHz. It is able to provide a significant amount of EMI/RFI attenuation and isolation in the frequency range. The secondary filter is designed to provide amplitude-dependent broadband attenuation of conducted emissions in the 30MHz to 1000MHz frequency range. Additionally, it provides differential-mode and common-mode attenuation, along with providing good attenuation of high-frequency transients.

The filter core is made up of special polyethylene terephthalates (PET) film, enabling the EAM-30-331-D to provide a wide range of noise elimination capabilities. It is also designed to provide a high level of attenuation of high-frequency transients, reducing the noise that is induced into the connected circuit. Additionally, the PET film insulation is highly durable and able to withstand high temperatures, allowing the filter module to remain operational in severe conditions.

The EAM-30-331-D features an on-board transistor, which helps to reduce throughput loss associated with high input power levels. This helps to provide a low-cost solution for filtering noise in industrial electronic circuits, and helps reduce overall system cost. Additionally, the filter module features a wide operating temperature range of -25°C to 85°C, allowing it to be used in a wide range of applications.

The EAM-30-331-D is typically used in a variety of industrial electronic circuit applications. It is often used as a pre-filter in the protection network of a power line filter module, as it helps reduce conducted emissions in the frequency range of 150kHz to 1000MHz. Additionally, it can be used on digital systems that require noise immunity to reduce the effects of electrostatic discharge (ESD), radiated emissions, and RF interference (RFI). It is also commonly used in medical applications to help reduce conducted emissions from medical equipment and in broadcasting applications to help reduce radiated emissions and static disturbance.

The EAM-30-331-D works by providing a source of differential-mode and common-mode attenuation. The primary common-mode filter is designed to reduce the conducted emission in the frequency band of 150kHz to 30MHz. The secondary filter is designed to provide amplitude-dependent broadband attenuation of conducted emissions in the frequency range of 30MHz to 1000MHz, as well as differential-mode and common-mode attenuation. Finally, the filter core is provided to provide a wide range of noise elimination and attenuation of high-frequency transients.

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