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Arlon 49N Multifunctional Epoxy Low-Flow Prepreg

Category Polymer , Thermoset , Epoxy , Epoxy, Thermally Conductive
Manufacturer Arlon
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Arlon 49N Multifunctional Epoxy Low-Flow Prepreg.pdf
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Material Notes:
49N is a low-flow epoxy prepreg engineered for bonding multilayer epoxy rigid-flex or attaching heat sinks to multilayer PCBs. With a high Tg, the prepreg can be used in high-performance or high-temperature applications compared to a standard difunctional epoxy low-flow.Multifunctional epoxy resin system with a Tg of 170°C offers improved high-temperature and PTH reliability.Engineered with discrete flow ranges and fiberglass styles to optimize flexibilityElectrical and mechanical properties meeting the requirements of IPC-4101/21, modified to be "Low-Flow"RoHS/WEEE compliantShort cure (45 minutes at 360°F) for improved manufacturing productivityTypical Applications:Bonding multilayer epoxy rigid-flexBonding adhesiveless epoxy rigid-flexAttaching heat sinks to multilayer PCBsDielectric insulators|This data represents typical values for the production material and should not be used as material specifications.Information provided by ARLON Silicone Technologies Division.
Physical Properties Metric English Comments
Density 1.75 g/cc
0.0632 lb/in³
ASTM D792 Method A
Water Absorption 0.10 %
0.10 %
IPC TM-650 2.6.2.1
Mechanical Properties Metric English Comments
Modulus of Elasticity 17.9 GPa
2600 ksi
IPC TM-650 2.4.18.3
Flexural Strength 579 MPa
84000 psi
IPC TM-650 2.4.4
Poissons Ratio 0.17
0.17
ASTM D3039
Peel Strength 1.58 kN/m
9.00 pli
After Thermal Stress; IPC TM-650 2.4.8
Thermal Properties Metric English Comments
CTE, linear 14.0 - 16.0 µm/m-°C
7.78 - 8.89 µin/in-°F
IPC TM-650 2.4.41
CTE, linear, Transverse to Flow 87.0 µm/m-°C
48.3 µin/in-°F
z, below Tg; IPC TM-650 2.4.24
246 µm/m-°C
137 µin/in-°F
z, above Tg; IPC TM-650 2.4.24
Thermal Conductivity 0.250 W/m-K
1.74 BTU-in/hr-ft²-°F
ASTM E1461
Glass Transition Temp, Tg 170 °C
338 °F
DSC; IPC TM-650 2.4.25
Decomposition Temperature 291 °C
556 °F
Onset; IPC TM-650 2.3.41
302 °C
576 °F
5 percent; IPC TM-650 2.3.41
Flammability, UL94 V-0
V-0
Electrical Properties Metric English Comments
Volume Resistivity 3.30e+12 ohm-cm
3.30e+12 ohm-cm
E24/125; IPC TM-650 2.5.17.1
2.60e+13 ohm-cm
2.60e+13 ohm-cm
C96/35/90; IPC TM-650 2.5.17.1
Surface Resistance 4.00e+12 ohm
4.00e+12 ohm
E24/125; IPC TM-650 2.5.17.1
2.90e+13 ohm
2.90e+13 ohm
C96/35/90; IPC TM-650 2.5.17.1
Dielectric Constant 4.4

@Frequency 1.00e+6 Hz
4.4

@Frequency 1.00e+6 Hz
IPC TM-650 2.5.5.3
Dielectric Strength 39.4 kV/mm
1000 kV/in
IPC TM-650 2.5.6.2
Dissipation Factor 0.025

@Frequency 1.00e+6 Hz
0.025

@Frequency 1.00e+6 Hz
IPC TM-650 2.5.5.3
Descriptive Properties Value Comments
IPC Delamination - T260 (minutes) 10
IPC TM-650 2.4.24.1
IPC Delamination - T288 (minutes) 0
IPC TM-650 2.4.24.1
IPC Delamination - T300 (minutes) 0
IPC TM-650 2.4.24.1
Z-Axis Expansion (%) 3.1
IPC TM-650 2.4.24 (50-260°C)
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