Rogers RT/duroid 5880LZ High Frequency PCB Material Introduction Today, let’s talk about a type of lightweight high frequency circuit board Material: Rogers RT/duroid 5880LZ . Rogers RT/duroid 5880LZ laminates are filled PTFE composites designed for exacting strip-line and micro-strip circuit applications. They contain a unique filler that results in a low density, lightweight material for high performance and weight sensitive applications. RT/duroid 5880LZ Typical Properties Rogers RT/duroid 5880LZ is an impressive PCB material that offers a range of outstanding properties. Let's take a closer look at some of its key features. First and foremost, let's discuss the dielectric constant of RT/duroid 5880LZ laminate. It has a process value of 2.00 ± 0.04 at 10 GHz and 23°C, ensuring reliable signal transmission in the Z direction, as per IPC-TM-650, 2.5.5.5. The design dielectric constant is also 2.00 in the Z direction, covering a frequency range from 8 GHz to 40 GHz, as determined by the differential phase length method. The dissipation factor, also known as tan delta, is impressively low, with a typical value of 0.0021 and a maximum of 0.0027 at 10 GHz and 23°C. This indicates minimal signal loss and excellent performance. Rogers RT/duroid 5880LZ copper clad laminate exhibits a thermal coefficient of dielectric constant of +20 ppm/°C in the Z direction, from -50°C to 150°C at 10 GHz, as specified by IPC-TM-650, 2.5.5.5. This ensures stable performance across a wide temperature range. In terms of electrical properties, RT/duroid 5880LZ demonstrates a volume resistivity of 1.74 x 10^7 Mohm?cm and a surface resistivity of 2.08 x 10^6 Mohm, as tested under C-96/35/90 conditions, according to IPC-TM-650, 2.5.17.1. The electrical strength of RT/duroid 5880LZ is measured at 40 KV, ensuring its durability and reliability in demanding applications, as per D48/50 specifications in IPC-TM-650, 2.5.6. When it comes to dimensional stability, RT/duroid 5880LZ showcases a remarkable performance with a dimensional change of -0.38% in the X and Y directions, ensuring consistent and reliable performance, as tested under IPC-TM-650, 2.4.39A. The moisture absorption of RT/duroid 5880LZ is 0.31% after 24 hours at 23°C, indicating its ability to resist moisture penetration, as specified by IPC-TM-650, 2.6.2.1. RT/duroid 5880LZ exhibits a thermal conductivity of 0.33 W/m/°K in the Z direction at 80°C as tested by ASTM C518. The coefficient of thermal expansion of RT/duroid 5880LZ is 54 ppm/°C in the X direction, 47 ppm/°C in the Y direction, and 40 ppm/°C in the Z direction, from 0°C to 150°C, ensuring dimensional stability under varying temperature conditions, according to IPC-TM-650, 2.4.41. RT/duroid 5880LZ has undergone rigorous testing for outgassing, meeting the requirements of ASTM E-595, with low values for Total Mass Loss (TML), Collected Volatile Condensable Materials (CVCM), and Water Vapor Regain (WVR), all at 0.01%. The material has a density of 1.4 gm/cm^3, providing a lightweight yet robust solution for high-frequency applications, as determined by ASTM D792. The copper peel strength of RT/duroid 5880LZ is greater than 4.0 pli, ensuring excellent adhesion and reliability in copper bonding processes, as tested under IPC-TM-650, 2.4.8. RT/duroid 5880LZ has achieved a V-O rating for flammability according to UL 94, ensuring its resistance to ignition and flame propagation. Lastly, RT/duroid 5880LZ is compatible with lead-free processes, offering a reliable and environmentally friendly solution for your electronic applications. Property RT/duroid 5880LZ Direction Units Condition Test Method Dielectric Constant er,Process 2.00 ± 0.04 Z 10 GHz/23°C IPC-TM-650, 2.5.5.5 Dielectric Constant er,Design 2.00 Z 8 GHz - 40 GHz Differential Phase Length Method Dissipation Factor, tan Typ: 0.0021 Max: 0.0027 Z 10GHz/23°C IPC-TM-650, 2.5.5.5 Thermal Coefficient of Dielectric Constant, er +20 Z ppm/°C -50°C to 150°C 10GHz IPC-TM-650, 2.5.5.5 Volume Resistivity 1.74 X 10^7 Mohm•cm C-96/35/90 IPC-TM-650, 2.5.17.1 Surface Resistivity 2.08 X 10^6 Mohm C-96/35/90 IPC-TM-650, 2.5.17.1 Electrical Strength 40 KV D48/50 IPC-TM-650, 2.5.6 Dimensional Stability -0.38 X,Y % IPC-TM-650, 2.4.39A Moisture Absorption 0.31 % 24 hours/23°C IPC-TM-650, 2.6.2.1 Thermal Conductivity 0.33 Z W/m/°K 80°C ASTM C518 Coefficient of Thermal Expansion 54,47,40 X,Y,Z ppm/°C 0 to 150°C IPC-TM-650, 2.4.41 Outgassing TML 0.01 % ASTM E-595 CVCM 0.01 WVR 0.01 Density 1.4 gm/cm^3 ASTM D792 Copper Peel >4.0 pli IPC-TM-650, 2.4.8 Flammability V-O UL 94 Lead-Free Process Compatible YES A Piece of RT/duroid 5880LZ Laminate Now what we are seeing on the screen is RT/duroid 5880LZ Laminate . Typical Applications (RT/duroid 5880LZ) In our lives, we can find their typical applications in the area of airborne antenna system, lightweight feed networks, military radar systems ,missile guidance systems,point-to-point digital radio antennas etc. Conclusion Rogers RT/duroid 5880LZ high frequency circuit material has Z-axis coefficient of thermal expansion (CTE) at 40 ppm/°C. This is a low value that ensure its reliable plated through holes.Rogers RT/duroid 5880LZ is engineered with a proprietary filler system, delivering an exceptionally low‑density and lightweight circuit material ideal for high‑performance applications where weight reduction is critical. RT/duroid 5880LZ advanced laminate combines superior electrical stability, low loss, and consistent dielectric properties across a wide frequency range, making it the preferred choice for antenna, lightweight feed networks and portable communication systems. With its optimized balance of mechanical integrity and RF performance, RT/duroid 5880LZ enables designers to achieve lighter, more efficient, and reliable high‑frequency designs without compromising signal integrity. OK. This concludes today’s episode. Thank you for reading. See you next time.
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