RO4830 thermoset laminates are well suited for price-sensitive millimeter wave applications, such as 76-81 GHz automotive radar sensors. RO4830 laminates can be fabricated using standard FR-4 processes and are intended for the cap layer on FR-4 multi-layer board designs commonly used in 76-81 GHz automotive radar sensor PCB applications.
Please see below for a sampling of data for this material formulation. For detailed material information and to use advanced features such as filtering, visit the Laminate Properties Tool.
| RO4830™ | |
|---|---|
| Dielectric Constant, @10GHZ (2.5 GHz) Typical (Process) | 3.25+/-0.05 |
| Dielectric Constant, @10GHZ (2.5 GHz) Typical (Design) | 3.2429 |
| Dissipation Factor TAN @10 GHz (2.5 GHz) (Typical) | 0.0033 |
| Thermal Coefficient εr -50°C to 150°C ppm/°C (Typical) | -30 |
| Volume Resistivity Mohm (Typical) | 9.6x109 |
| Surface Resistivity Mohm (Typical) | 1.1x108 |
| Water Absorption D48/50% (Typical) | 0.15 |
| Thermal Conductivity W/m/°K (Typical) 50°C ASTM D5470 | 0.45 |
| Coefficient of Thermal Expansion -55° to 288°C ppm/°C (Typical) X | 23 |
| Coefficient of Thermal Expansion -55° to 288°C ppm/°C (Typical) Y | 23 |
| Coefficient of Thermal Expansion -55° to 288°C ppm/°C (Typical) Z | 110 |
| Peel Strength 1 oz (35um) ED Foil lbs/in. (N/mm) (Typical) | 3.8 (0.67) |
| Density gm/cm3 (Typical) | 1.68 |
| Flammability Rating UL94 | V-0 |
| Lead-Free Process Compatible | Y |
| PIM dBc Typical |
