Fr4 vs 370hr, Plus, it will enhance their longevity in the long run. Now, let’s study these common PCB materials quickl 370HR laminates and prepregs, deigned by Polyclad, are made using a patented high performance 180°C Tg FR-4 multifunctional epoxy resin system that is designed for multilayer Printed Wiring Board (PWB) applications where maximum thermal performance and reliability are required. FR4 in this article. Oct 21, 2024 · Understanding the differences between FR4 and 370HR, as well as exploring advanced materials, enables engineers to make informed decisions based on their specific application needs, as reflected in the PCB material comparison chart. Before we start comparing these PCB materials, we need to know why even they matter in the first place. They have Dk values typically in the range of 4. But a fine quality PCB material will ensure efficient performance of PCBs. . 0 - 5. "FR-4" is a generic term for a wide variety of products from numerous manufacturers. May 16, 2023 · We will compare 370HR vs. In addition to this superior thermal performance, the mechanical, chemical and moisture resistance properties all equal or exceed the performance of traditional FR-4 materials. 0. So different PCB producers have their own takes on PCB materials. Jun 22, 2020 · What is special about these "HR" dielectrics that make them better suited for controlled impedance? 370HR is a specific laminate product made by Isola Group. Like in any circuit, a PCB must have conductors and insulators. 04. It has a well-known Dk of about 4. When comparing materials like Isola's 370HR, FR408HR, and Panasonic's Megtron series, the choice would depend on specific project requirements such as operating frequency, signal integrity, thermal considerations, and budget constraints.


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