LF1290NP-472

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Common Mode Chokes (CMCs) are used in many applications requiring efficient electromagnetic interference (EMI) control. The LF1290NP-472 CMC is manufactured using a special combination of high temperature plastic and ceramic elements. The materials used in the construction of the device enables the CMC to be used in high temperature environments of up to 265 °C without degrading its performance.

The LF1290NP-472 CMC works by suppressing common mode or differential mode signals that can cause interference to signals across different systems. It does this by allowing the flow of positive and negative current through the inductors in opposite directions. The inductors form a closed loop with the current flowing around the loop in the opposite direction to that of the flow in the adjacent coils. This creates a magnetic field perpendicular to the current flow, which effectively cancels out the interference.

The LF1290NP-472 CMC is a high-frequency common mode filter designed for a wide range of applications. It is used in telecommunications systems, test and measurement equipment, home and building automation, wearable and personal electronics, and automotive and industrial applications. Its extremely compact size and low profile makes it a great choice for applications where space is at a premium.

The CMC has a maximum differential mode inductance of 47µH, allowing it to suppress high frequency signals such as radio frequency interference (RFI) with minimal power loss. It also has a maximum common mode inductance of 1.37 mH, ensuring sufficient attenuation of the differential mode frequencies. The device has a maximum differential-mode impedance of 1922 Ω, and a maximum common-mode impedance of 705 Ω.

The LF1290NP-472 CMC is also designed to be highly resistant to thermal shock and vibration. It is constructed with a flexible termination technology that allows the device to withstand extreme temperatures ranging from -45 °C to +265 °C. This allows the CMC to be used in extremely harsh and demanding applications. The LF1290NP-472 CMC also has superior common-mode suppression without sacrificing signal quality or speed.

Overall, the LF1290NP-472 CMC is an excellent choice for applications requiring reliable and robust EMI suppression. Its unique construction materials and high performance features make it an ideal solution for high temperature and tight space applications. With its extremely efficient EMI suppression, the LF1290NP-472 is the perfect choice for a wide range of applications.

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