FR4 Laminate Specifications
- UV Block, less than 0.5% penetration
- UL 94V-O
- IPC-4101, Class B Thickness Tolerance, Class A Surface
| Properties |
Unit |
Test Condition |
IPC-4101 Method |
IPC-4101 Requirement |
Typical Values |
| Flexural Strength |
Kg/m2 |
Lengthwise |
2.4.4 |
>4.23x107 |
5.58x107 - 5.71x107 |
| Flexural |
Kg/m2 |
Crosswise |
2.4.4 |
>3.52x107 |
4.48x107 - 5.03x107 |
| Peel Strengh |
Kg/cm |
A |
2.4.8 |
>1.43 |
2.00 - 2.08 |
| Glass Transition |
°C |
E2/105 DSC |
2.4.25 |
>130 (IPC/21) |
135 - 173 |
| Flammability |
Sec |
E24/E23 |
2.3.10 |
Avg Burn < 5 |
1 - 2 |
| Flammability |
Sec |
E24/E23 |
2.3.10 |
Max Burn < 10 |
4.0 - 7.0 |
| Thermal Stress |
Sec |
Float 288 °C |
2.4.13.1 |
+60 |
> 130 |
| Surface Resistance |
MΩ |
C96/35/90 |
2.5.17.1 |
>1.0x104 |
1.0x107 - 1.0x106 |
| Volumn Resistivity |
MΩ |
C96/35/90 |
2.5.17.1 |
+1.0x106 |
1.7x107 - 1.0x109 |
| Permitivity DK |
- |
Etched/@1Mhz |
2.5.5.3 |
<5.4 |
4.0 - 4.6 |
| Loss Tangent |
- |
Etched/@1MHz |
2.5.5.3 |
<0.035 |
0.014 - 0.21 |
| Moisture Absorption |
% |
D24/23 |
2.6.2.1 |
<0.50 |
0.05 - 0.13 |
| |