RT-duroid 5870 – 5880 Data Sheet

Here is an overview of the key data sheet information for RT-duroid® 5870 and RT-duroid® 5880 laminates:

1. General Properties

Property	RT-duroid 5870	RT-duroid 5880
Dielectric Constant (ϵr\epsilon_rϵr​)	2.33 ± 0.02	2.20 ± 0.02
Loss Tangent (tan⁡δ\tan \deltatanδ)	0.0012 @ 10 GHz	0.0009 @ 10 GHz
Reinforcement Material	Glass Microfibers	Glass Microfibers
Thermal Conductivity (W/m·K)	0.2	0.2
Moisture Absorption (%)	< 0.02	< 0.02
Operating Temperature Range (°C)	-200 to +200	-200 to +200
Density (g/cm³)	~2.1	~2.1

2. Mechanical Properties

Property	RT-duroid 5870	RT-duroid 5880
Peel Strength (N/mm)	0.7	0.7
Tensile Modulus (GPa)	1.4	1.4
Dimensional Stability (mm/m)	~0.05	~0.05
Coefficient of Thermal Expansion (CTE)	~24 ppm/°C (X, Y)	~24 ppm/°C (X, Y)

3. Electrical Properties

Property	RT-duroid 5870	RT-duroid 5880
Dielectric Breakdown Voltage	> 500 V/mil	> 500 V/mil
Surface Resistivity (Ω/sq)	10910^9109	10910^9109
Volume Resistivity (Ω·cm)	101010^{10}1010	101010^{10}1010

4. Applications

RT-duroid 5870:

• RF and microwave circuits for commercial, aerospace, and defense industries.
• Applications requiring low dielectric loss and stable performance.

RT-duroid 5880:

• Ultra-low loss RF and microwave systems.
• High-frequency antennas, radars, and low-loss transmission lines.

5. Comparison of Key Features

Feature	RT-duroid 5870	RT-duroid 5880
Loss Performance	Moderate	Ultra-Low
Cost	Moderate	Higher
Suitability for High Frequencies	Excellent	Exceptional

Would you like a downloadable version of the data sheet or specific recommendations for PCB design and fabrication using these materials?

RT/duroid 5870 5880 data sheeet