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Park Electrochemical Nelco® N4000-29 Multifunctional Epoxy
| Category | Polymer , Thermoset , Epoxy |
| Manufacturer | Park Electrochemical Corp. |
| Trade Name | Nelco® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Park Electrochemical Nelco® N4000-29 Multifunctional Epoxy.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
The Nelco N4000-29 is an advanced, lead-free, low-CTE, high Tg (185º C by DSC) multifunctional epoxy dielectric substrate. This material has been designed for use not only in standard multilayer PWB designs, but for today’s toughest, high-performance, lead-free applications.Key Features and Benefits:Low Z-axis expansionHigh Tg, excellent thermal stability and moisture resistanceCAF ResistantProprietary resin chemistrySuperior electrical propertiesOptimized FR-4 processingApplications/Qualifications:Advanced 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 |
|---|---|---|---|
| Modulus of Elasticity | 20.0 GPa | 2900 ksi | Y; ASTM D3039 |
| 24.8 GPa | 3600 ksi | X; ASTM D3039 | |
| Poissons Ratio | 0.16 | 0.16 | Y; ASTM D3039 |
| 0.18 | 0.18 | X; ASTM D3039 | |
| 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 | |
| 1.88 kN/m | 10.7 pli | after solder float; IPC-TM-650.2.4.8 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 12.0 - 15.0 µm/m-°C @Temperature -40.0 - 125 °C |
6.67 - 8.33 µin/in-°F @Temperature -40.0 - 257 °F |
X/Y; IPC-TM-650.2.4.41 |
| 55.1 µm/m-°C @Temperature 50.0 - 185 °C |
30.6 µin/in-°F @Temperature 122 - 365 °F |
Z-Axis Alpha 1; IPC-TM-650.2.4.41 | |
| 265 µm/m-°C @Temperature 185 - 260 °C |
147 µin/in-°F @Temperature 365 - 500 °F |
Z-Axis Alpha 2; IPC-TM-650.2.4.41 | |
| 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 |
|---|---|---|---|
| Volume Resistivity | 1.00e+13 ohm-cm | 1.00e+13 ohm-cm | C - 96/35/90; IPC-TM-650.2.5.17.1 |
| 1.00e+14 ohm-cm | 1.00e+14 ohm-cm | E - 24/125; IPC-TM-650.2.5.17.1 | |
| Surface Resistance | 1.00e+12 ohm | 1.00e+12 ohm | C - 96/35/90; IPC-TM-650.2.5.17.1 |
| 1.00e+13 ohm | 1.00e+13 ohm | E - 24/125; IPC-TM-650.2.5.17.1 | |
| Dielectric Constant | 4.0 @Frequency 1.00e+10 Hz |
4.0 @Frequency 1.00e+10 Hz |
Stripline; IPC-TM-650.2.5.5.5 |
| 4.2 @Frequency 1.00e+10 Hz |
4.2 @Frequency 1.00e+10 Hz |
Split Post Cavity | |
| 4.3 @Frequency 1.00e+9 Hz |
4.3 @Frequency 1.00e+9 Hz |
RF Impedance; IPC-TM-650.2.5.5.9 | |
| 4.5 @Frequency 1.00e+6 Hz |
4.5 @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 |
| Dielectric Breakdown | >= 50000 V | >= 50000 V | IPC-TM-650.2.5.6 |
| Dissipation Factor | 0.015 @Frequency 2.50e+9 Hz |
0.015 @Frequency 2.50e+9 Hz |
Split Post Cavity |
| 0.016 @Frequency 1.00e+6 Hz |
0.016 @Frequency 1.00e+6 Hz |
TFC/LCR Meter; IPC-TM-650.2.5.5.3 | |
| 0.017 @Frequency 1.00e+10 Hz |
0.017 @Frequency 1.00e+10 Hz |
Split Post Cavity | |
| Arc Resistance | 129 sec | 129 sec | IPC-TM-650.2.5.1 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Methylene Chloride Resistance (% Weight Change) | 0.01 | IPC-TM-650.2.3.4.3 |
| Pressure Cooker | Pass | 60 min then solder dip @288ºC until failure (max 10 min.); IPC-TM-650.2.6.16 (modified) |
| T260 (minutes) | >60 | IPC-TM-650.2.4.24.1 |
| T288 (minutes) | 15 | IPC-TM-650.2.4.24.1 |
| Z Axis Expansion (%) | 3 | 50ºC to 260ºC; IPC-TM-650.2.4.41 |
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