TechSparks explores the importance of FR-4's dielectric constant (Dk) in electronics. It discusses Dk's impact on signal transmission speed, impedance, coupling, and crosstalk in PCBs, along …

The dielectric constant (Dk) is a property of insulator materials that describes how readily the material can transmit an electric field. It is defined as the ratio of the permittivity of the material …

Feb 23, 2021 · FR4 is the most popular type of PCB laminate, and its material properties are well-documented. We’ve compiled the important material properties for FR4, including FR4 …

FR4 features a dielectric constant of about 4.5, which is lower than high-frequency materials’ Dk, which usually lies around 6.15 to 11. Using these high-value Dk materials can have significant …

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The dielectric constant (Dk) and dissipation factor (Df) affect signal propagation and impedance control. For high-frequency applications, selecting an FR-4 laminate with a low Dk and Df is …

Feb 13, 2025 · Dielectric constant (Dk): Also known as relative permittivity, is a measure of a material's ability to store electrical energy in an electric field. The dielectric constant of FR4 …

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The dielectric constant (Dk) of FR4 influences the signal propagation speed and impedance of the PCB traces. Lower Dk values are preferable for high-frequency applications as they reduce …

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