ET2835-042

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Common mode chokes are a type of power signal that helps reduce or eliminate electromagnetic interference in electrical circuits. The ET2835-042 is one such device specifically designed to provide EMI/RFI mitigation in high frequency applications such as those commonly found in avionics, aerospace, and military applications. It is designed to provide magnetic isolation in the form of inductive reactance, which suppresses the transfer of unwanted interference.

The ET2835-042 is a two-winding choke consisting of two same-diameter ferrite cores wound with a single pair of leads, making it relatively easy to install on a printed circuit board. The choke is made with high-temperature-resistant, high-saturation-magnetic-flux cores, which can be beneficial in high-temperature applications. It also makes use of a tightly-controlled dc resistance to ensure precise choke performance.The ET2835-042 operates between its 4.2MHz upper frequency limit and a lower frequency limit of 1MHz.

The ET2835-042 works by providing a high-impedance, low-DC-resistance path to common-mode signals. This essentially functions as a filter, blocking common-mode signals from passing, while still allowing differential-mode signals to pass. This helps to reduce the propagation of unwanted signals in the system while preserving necessary signals. By reducing the unwanted signals in the system, the ET2835-042 helps decrease the risk of EMI/RFI issues, reducing the need for additional shielding and filtering components.

The wide frequency range of the ET2835-042 makes it ideal for applications that require both low and high frequency signal suppression. It is especially suitable for high frequency applications, such as avionic, aerospace, and military applications, where minimizing interference is critical. In addition, its compact size and easy install makes it suitable for use in relatively tight spaces.

The ET2835-042 can also be used in data communication applications, helping to reduce crosstalk and ensure reliable data signal transmission. It can also help reduce electromagnetic emissions, which can be beneficial for privacy and security.

In summary, the ET2835-042 is a two-winding common-mode choke that offers excellent performance across a wide frequency range. It helps reduce unwanted EMI/RFI signals, crosstalk, and electromagnetic emissions, making it suitable for use in a variety of high-frequency applications.

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