In today’s fast-paced electronics landscape, achieving superior signal integrity is paramount. Enter the RT/duroid 5880 PCB, engineered for excellence in high-frequency applications. This advanced laminate combines PTFE composites with glass microfibers, creating a robust foundation for both RF and microwave circuits.
Material Composition and Characteristics
The unique composition of RT/duroid 5880 ensures unmatched performance. With a dielectric constant of 2.2 and a low dissipation factor of 0.0009 at 10 GHz, this PCB is tailor-made for broadband applications, enabling reliable communication even in the most demanding environments.
Key Electrical Properties
One of the standout features of the RT/duroid 5880 is its stability across various temperature ranges, boasting a temperature coefficient of dielectric constant (TCDk) of -125 ppm/°C. This characteristic is crucial for maintaining consistent performance, particularly in applications that experience thermal cycling.
| Property |
RT/duroid 5880 |
Direction |
Units |
Condition |
Test Method |
| Dielectric Constant,εProcess |
2.20
2.20±0.02 spec. |
Z |
N/A |
C24/23/50
C24/23/50 |
1 MHz IPC-TM-650 2.5.5.3
10 GHz IPC-TM 2.5.5.5 |
| Dielectric Constant,εDesign |
2.2 |
Z |
N/A |
8GHz to 40 GHz |
Differential Phase Length Method |
| Dissipation Factor,tanδ |
0.0004
0.0009 |
Z |
N/A |
C24/23/50
C24/23/50 |
1 MHz IPC-TM-650 2.5.5.3
10 GHz IPC-TM 2.5.5.5 |
| Thermal Coefficient of ε |
-125 |
Z |
ppm/℃ |
-50℃to 150℃ |
IPC-TM-650 2.5.5.5 |
| Volume Resistivity |
2 x 107 |
Z |
Mohm cm |
C/96/35/90 |
ASTM D 257 |
| Surface Resistivity |
3 x 107 |
Z |
Mohm |
C/96/35/90 |
ASTM D 257 |
| Specific Heat |
0.96(0.23) |
N/A |
j/g/k
(cal/g/c) |
N/A |
Calculated |
| Tensile Modulus |
Test at 23℃ |
Test at 100℃ |
N/A |
MPa(kpsi) |
A |
ASTM D 638 |
| 1070(156) |
450(65) |
X |
| 860(125) |
380(55) |
Y |
| Ultimate Stress |
29(4.2) |
20(2.9) |
X |
| 27(3.9) |
18(2.6) |
Y |
| Ultimate Strain |
6 |
7.2 |
X |
% |
| 4.9 |
5.8 |
Y |
| Compressive Modulus |
710(103) |
500(73) |
X |
MPa(kpsi) |
A |
ASTM D 695 |
| 710(103) |
500(73) |
Y |
| 940(136) |
670(97) |
Z |
| Ultimate Stress |
27(3.9) |
22(3.2) |
X |
| 29(5.3) |
21(3.1) |
Y |
| 52(7.5) |
43(6.3) |
Z |
| Ultimate Strain |
8.5 |
8.4 |
X |
% |
| 7.7 |
7.8 |
Y |
| 12.5 |
17.6 |
Z |
| Moisture Absorption |
0.02 |
N/A |
% |
0.62"(1.6mm) D48/50 |
ASTM D 570 |
| Thermal Conductivity |
0.2 |
Z |
W/m/k |
80℃ |
ASTM C 518 |
| Coefficient of Thermal Expansion |
31
48
237 |
X
Y
Z |
ppm/℃ |
0-100℃ |
IPC-TM-650 2.4.41 |
| Td |
500 |
N/A |
℃ TGA |
N/A |
ASTM D 3850 |
| Density |
2.2 |
N/A |
gm/cm3 |
N/A |
ASTM D 792 |
| Copper Peel |
31.2(5.5) |
N/A |
Pli(N/mm) |
1oz(35mm)EDC foil
after solder float |
IPC-TM-650 2.4.8 |
| Flammability |
V-0 |
N/A |
N/A |
N/A |
UL 94 |
| Lead-free Process Compatible |
Yes |
N/A |
N/A |
N/A |
N/A |
PCB Construction and Specifications
This PCB is constructed as 2-layer rigid boards, featuring a core thickness of 0.787 mm and copper layers of 35 μm. The construction is designed to optimize performance while ensuring ease of fabrication, with a minimum trace/space specification of 4/4 mils.
Advantages of RT/duroid 5880 PCBs
The benefits of using RT/duroid 5880 are numerous. Its low moisture absorption rate of just 0.02% makes it ideal for high-humidity environments, while its chemical resistance ensures longevity against solvents and reagents. This combination of properties makes RT/duroid 5880 the go-to solution for designers seeking reliability and performance.
Applications Across Industries
RT/duroid 5880 is versatile, finding its place in various applications such as commercial airline broadband antennas, guidance systems, and point-to-point digital radio antennas. Each application benefits from the PCB's ability to maintain signal integrity, even in challenging conditions.
Quality Assurance and Testing Standards
Prior to shipment, every RT/duroid 5880 PCB undergoes rigorous 100% electrical testing, adhering to IPC-Class-2 standards. This commitment to quality ensures that our customers receive only the best, setting a standard for high-performance PCBs.
Conclusion: The Impact of RT/duroid 5880 on the Electronics Industry
The RT/duroid 5880 PCB is more than just a circuit board; it is a transformative component that elevates high-frequency designs to new heights. With its unparalleled performance and reliability, RT/duroid 5880 is poised to shape the future of electronics, making it an essential choice for engineers and manufacturers alike.
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