Deciphering datasheets for high-frequency circuit materials: Page 7 of 7

January 07, 2013 //By John Coonrod, Rogers Corporation
Data sheets for printed-circuit-board (PCB) materials carry a great deal of information. Understandably, these materials are the foundations for many circuits, and they are characterized by many different parameters, some related to applications, some to fabrication issues, some to environmental and mechanical concerns.
of greater than +280°C, and Td of +390°C. The material represents an unusual combination of low-loss RF/microwave properties and the ability to effectively handle lead-free processing.

Design engineers often compare high-frequency PCB materials by referring to their data sheets. But data sheets are not always uniform in their presentation and information, and some key concerns in comparing PCB material data sheets have been outlined here. Of course, when in doubt, a designer is encouraged to consult the manufacturer of the high frequency circuit material while in the process of determining the proper material for their application.

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