Typical FR4 Laminate Properties, 0.059" [1.5mm]
| PROPERTY |
|
VALUE |
| Thermal |
|
|
| Tg, min. (DSC) |
|
135°C |
| Coefficient of Thermal Expansion |
|
|
| x-axis |
|
14 ppm/°C Ambient to Tg |
| y-axis |
|
13 ppm/°C Ambient to Tg |
| z-axis |
|
175 ppm/°C Ambient to 288°C |
| Electrical |
|
|
| Deilectric Constant @, |
|
|
| 1 MHz |
- |
4.7 |
| 500 MHz |
- |
4.35 |
| 1 GHz |
- |
4.34 |
| Surface Resistivity, min. |
|
2x105 megohms |
| Volume Resistivity, min. |
|
2x107megohms/CM |
| Dielectric Breakdown |
|
55kV |
| Arc Resistance |
|
100 seconds |
| Physical |
|
|
| Flammability |
|
UL94-V-0 |
| Moisture Absorption |
|
<0.25% |
| Warp and Twist |
|
0.5% |
| Tensil Strength |
|
|
| LW |
|
50,000 psi |
| CW |
|
40,000 psi |
|
|
|
