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What are the features and differences between Rogers 5880 and 5870?

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Rogers 5880 and 5870 are both high-frequency laminate materials manufactured by Rogers Corporation for high-performance PCB design and manufacturing, especially in high-frequency and broadband applications. Below are their key functional differences:

Rogers 5880 Functional Features:

Low Dielectric Constant: 

Measured at 10 GHz, the dielectric constant is 2.20 ± 0.02, providing excellent electrical performance. This may mean that it has a lower dielectric constant than the 5870, providing better signal transmission performance in high frequency applications.

Extremely Low Dielectric Loss: 

At 10GHz, the dielectric loss is only 0.0009, which helps to minimize signal loss during transmission and is important for applications requiring high transmission efficiency.

High Frequency Support: 

Capable of supporting applications up to Ku-band and beyond.

Low Moisture Absorption: 

Moisture absorption is only 0.02%, making it suitable for applications in high humidity environments.

Excellent Processability: 

Easy to cut, drill and mold.

Good Chemical Resistance: 

Good resistance to solutions and reagents used in etching or plating processes.

Machinability: 

Both have good machinability, but specific machining characteristics such as ease of drilling, cutting and laminating processes may vary.

Applications: 

While both are suitable for high frequency applications, Rogers 5880 may be better suited for areas where electrical performance is critical, such as aerospace and military radar systems.

Chemical Resistance: 

Rogers 5880 has good resistance to solutions and reagents used in etching or plating processes, which may mean it is more stable during manufacturing.

Weight and Density: 

Rogers 5880LZ is a special version that incorporates unique fillers to form a low-density, lightweight material for applications that are sensitive to circuit weight.

Rogers 5870 Features:

The search results do not provide detailed functional characteristics of the Rogers 5870, but typically Rogers' RT/duroid series laminates have the following commonalities:

Good electrical properties, including low dielectric constant and dielectric loss.

Suitable for high frequency applications.

Excellent processability for manufacturing complex circuit board designs.

Chemical resistance, suitable for various chemical treatments used in the PCB manufacturing process.

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Distinctions:

Dielectric Constant and Dielectric Loss: 

Rogers 5880 has a lower dielectric constant and dielectric loss, which makes it a superior performer in high frequency applications.

Frequency Support: 

Rogers 5880 supports potentially higher frequencies, making it suitable for higher-end applications such as communications and radar systems.

Moisture Absorption: 

The Rogers 5880's low moisture absorption characteristics allow for more stable performance in wet environments.

When selecting the appropriate laminate material, the use of 5880 or 5870 needs to be determined based on the specific application needs and design requirements. 5880 may be preferred if the application requires lower loss and higher frequency support. 5870 may be preferred if cost is a consideration or if the performance of 5870 already meets the needs of the application.

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