MEGTRON 4

Low Transmission Loss And Highly Heat-Resistant Multi-Layer Circuit Board Material

MEGTRON 4 – Laminate R-5725/Prepreg R-5620

MEGTRON 4 is suitable for high-speed and large-volume data transmission requirements for servers and routers. 

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MEGTRON 4

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Models table for series MEGTRON 4
Part No.Datasheet Tg (DSC), Tg (TMA), (°C)Tg (DMA), Td (Thermal Decomposition) (°C) T288 (Without Cu) (min) T288 (With Cu) (min)CTE-Y CTE-Y, CTE-Z CTE α2 Z-axis: Test Method IPC-TM-650 2.4.24; Condition A (ppm/℃) Thermal Conductivity, (W/m・K) Volume Resistivity (MΩ・cm) Surface Resistivity (mΩ)Dielectric Constant (Dk) @ 1Ghz; Test Method IPC-TM-650; Condition C-24/23/50Dielectric Constant (Dk) @ 10Ghz; Test Method IPC-TM-650; Condition C-24/23/50Dielectric Constant (Dk) @ 12Ghz; Test Method Balanced-type Circular Disk Resonator; Condition C-24/23/50Df at 1 GHzDf at 10 GHzDf at 12 GHzWater Absorption (%)Poisson's Ratio Flexural Warp (MD) (GPa)Flexural Fill (TD) (GPa)Peel Strength (1 Oz. Cu) (kN/m) FlammabilitySample Thickness (mm)
R-5725/R-5620
176 °C
170 °C
210 °C
360 °C
>120 min
30 min
12-14 ppm/°C
13-15 ppm/°C
35 ppm/°C
265 ppm/°C
0.60 W/m · K
1 x 10⁹ MΩ · cm
1 x 10⁸ MΩ
3.8
3.8
0.005
0.007
0.14%
0.2
25 GPa
23 GPa
1.1 (Cu:RT) kN/m
94V-0
0.8 mm
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