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Laminate Materials


RoHS Laminates
Standard FR-4 High Frequency Low Loss
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Web Link to Data Sheet
Panasonic
R-1755
Isola
IS410
Nelco
N4000-29
Isola
PCL-FR-370HR
Rogers
RO4003C
Rogers
RO4350B
Panasonic
Megtron 6
IPC-4101 Material Type
     Specification Sheet Numbers
24, 26
121, 124, 129
21, 24, 26, 28
121, 124, 129
26, 28
98, 99, 126
24, 26
98, 99, 101, 126
IPC-4103/10 IPC-4103/11 126
(Non-Epoxy)
Dielectric Constant (Dk)
    1 MHz 4.4-4.7 4.6 4.5 4.85 - - -
    1 GHz (*=2 GHz) 4.37 3.76* 4.3 4.04* - - 3.6*
  10 GHz 4.22 3.69 4.2 3.92 3.38 3.48 -
Dissipation Factor (Df)
    1 MHz 0.013 0.023 0.016 0.016 - - -
    1 GHz (*=2 GHz **=2.5 GHz) 0.015 0.021* 0.015* 0.021* 0.0021** 0.0031** 0.0020*
  10 GHz 0.018 0.025 0.017 0.025 0.0027 0.0037 -
MECHANICAL
  Peel Strength - 1oz Cu
    After Thermal Stress (lbs/in)
6.5 9.0 10.1 9.0 6.0 5.0 5.0
CTE Z-axis (50°C - 288°C)
    Pre-Tg / Post-Tg (ppm / °C)
60/260 65/250 55/265 45/220 46 50 45/245
CTE Z-axis (50°C - 288°C) 3.2% 3.5% 3.0% 2.8% - - -
THERMAL
Glass Transition Temp. (Tg)
    DSC Method   *=DMA Method
175°C 180°C ≥185°C 180°C >280°C >280°C 210°C*
Thermal Decomposition (Td)
    TGA Method (5% wt. loss)
364°C 350°C 350°C 340°C 425°C 390°C 400°C
  T260 (Minutes) >120 >60 >60 60 >180 >180 >60
  T288 (Minutes) 60 >20 15 >10 >180 >180 >30
  Thermal Stress
    (10 Sec @ 288°C   *=260°C)
10x 6x Passed Passed 10x* 10x* 10x
CAF Resistant Yes Yes Yes Yes Yes Yes Yes
CTI   (PLC) 3 3 3 3 0 0 -
Flammability Rating (UL94) V-0 V-0 V-0 V-0 N/A V-0 V-0
UL Approval Yes Yes Yes Pending - Yes Pending

All information contained on this page represents laminate manufactures values, and are subject to change.

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