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Park Electrochemical Nelco® N4000-29 BC® Buried Capacitance™ Multifunctional Epoxy

Category Polymer , Thermoset , Epoxy
Manufacturer Park Electrochemical Corp.
Trade Name Nelco®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Park Electrochemical Nelco® N4000-29 BC® Buried Capacitance™ Multifunctional Epoxy.pdf
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Material Notes:
The Nelco N4000-29 is a lead-free, low-CTE, high Tg multifunctional epoxy substrate which has been designed for use in standard multilayer PWB designs and today’s toughest, high-performance, lead-free applications. The Nelco N4000-29 BC® is offered as a buried capacitance solution, offering a greater degree of design freedom for smaller, more reliable assemblies.Key Features and Benefits:Low Z-axis expansionHigh Tg, excellent thermal stability and moisture resistanceCAF ResistantProprietary resin chemistryBuried Capacitance SolutionOptimized FR-4 processingApplications/Qualifications:High Density InterconnectsAdvanced Lead-Free Assembly SubstrateLarge Format BackplanesTight Tolerance Via to Via ApplicationsHigh I / O Count BGA SubstratesExtreme Layer Count MultilayersLead-Free DCA ApplicationsHigh Temperature Underhood AutomotiveTelecommunications InfrastructureSophisticated Data Storage ApplicationsRoHS CompliantMeets IPC-4101/28, /98, /99 and /126 SpecificationsInformation provided by Park Electrochemical Corp.
Physical Properties Metric English Comments
Density 1.99 g/cc
0.0719 lb/in³
50% Resin Content; Internal Method
Water Absorption 0.15 %
0.15 %
IPC-TM-650.2.6.2.1
Mechanical Properties Metric English Comments
Peel Strength 1.56 kN/m
8.90 pli
at elevated temperature; IPC-TM-650.2.4.8.2a
1.70 kN/m
9.70 pli
after exposure to process solutions; IPC-TM-650.2.4.8
1.77 kN/m
10.1 pli
after solder float; IPC-TM-650.2.4.8
Thermal Properties Metric English Comments
Specific Heat Capacity 0.920 J/g-°C
0.220 BTU/lb-°F
ASTM E1461-92
Thermal Conductivity 0.460 W/m-K
3.19 BTU-in/hr-ft²-°F
ASTM E1461-92
Glass Transition Temp, Tg >= 175 °C
>= 347 °F
TMA; IPC-TM-650.2.4.24c
>= 185 °C
>= 365 °F
DSC; IPC-TM-650.2.4.25c
Decomposition Temperature 350 °C
662 °F
5% weight loss; TGA; IPC-TM-650.2.4.24.6
Flammability, UL94 V-0
V-0
Electrical Properties Metric English Comments
Dielectric Constant 3.7

@Frequency 1.00e+10 Hz
3.7

@Frequency 1.00e+10 Hz
Split Post Cavity
3.9

@Frequency 1.00e+9 Hz
3.9

@Frequency 1.00e+9 Hz
RF Impedance; IPC-TM-650.2.5.5.9
4.1

@Frequency 1.00e+6 Hz
4.1

@Frequency 1.00e+6 Hz
TFC/LCR Meter; IPC-TM-650.2.5.5.3
Dielectric Strength 43.3 kV/mm
1100 kV/in
IPC-TM-650.2.5.6.2
Dissipation Factor 0.016

@Frequency 2.50e+10 Hz
0.016

@Frequency 2.50e+10 Hz
Split Post Cavity; IPC-TM-650.2.5.5.9
0.022

@Frequency 1.00e+6 Hz
0.022

@Frequency 1.00e+6 Hz
TFC/LCR Meter; IPC-TM-650.2.5.5.3
Descriptive Properties Value Comments
Methylene Chloride Resistance (% Weight Change) 0.01
IPC-TM-650.2.3.4.3
T260 (minutes) >60
IPC-TM-650.2.4.24.1
T288 (minutes) 15
IPC-TM-650.2.4.24.1
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