Park Aerospace Nelco® N4000-13 High-Speed Multifunctional Epoxy Laminate and Prepreg

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Park Aerospace Nelco® N4000-13 High-Speed Multifunctional Epoxy Laminate and Prepreg
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	The Nelco® N4000-13 series is an enhanced epoxy resin system engineered to provide both outstanding thermal and high signal speed / low signal loss properties. N4000-13 SI® is excellent for applications that require optimum signal integrity and precise impedance control, while maintaining high reliability through CAF and thermal resistance. Key Features and Benefits: Lead-Free Assembly Compatible Tg >210ºC, outstanding thermal, electrical and signal loss properties CAF Resistant Signal Integrity and Buried Capacitance™ Options High-Tg FR-4 processing Available in a variety of constructions Applications/Qualifications: Fine-Line Multilayers Backplanes Surface-Mount Multilayers BGA Multilayers MCM-Ls CSP Attachment Wireless Communications Infrastructure High Speed Services High Speed Storage Networks Internet Switching / Routing Systems Information provided by Park Electrochemical Corp.
Key Words:	EP
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Physical Properties	Original Value	Comments

Density	1.91 g/cc	50% Resin Content; Internal Method
Water Absorption	0.10 %	IPC-TM-650.2.6.2.1

Mechanical Properties	Original Value	Comments
Modulus of Elasticity	3300 ksi	Y; ASTM D3039
	4200 ksi	X; ASTM D3039
Poissons Ratio	0.11	Y; ASTM D3039
	0.13	X; ASTM D3039
Peel Strength	7.50 pli	after solder float; IPC-TM-650.2.4.8
	8.10 pli	at elevated temperature; IPC-TM-650.2.4.8.2a
	9.00 pli	after exposure to process solutions; IPC-TM-650.2.4.8

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+13 ohm-cm	E - 24/125; IPC-TM-650.2.5.17.1
	1.00e+14 ohm-cm	C - 96/35/90; IPC-TM-650.2.5.17.1
Surface Resistance	1.00e+13 ohm	C - 96/35/90; IPC-TM-650.2.5.17.1
	1.00e+13 ohm	E - 24/125; IPC-TM-650.2.5.17.1
Dielectric Constant	3.6 @Frequency 1e+10 Hz	Stripline; IPC-TM-650.2.5.5.5
	3.7 @Frequency 1e+10 Hz	Split Post Cavity
	3.7 @Frequency 1e+9 Hz	RF Impedance; IPC-TM-650.2.5.5.9
	3.7 @Frequency 2.50e+9 Hz	Split Post Cavity
Dielectric Strength	1200 V/mil	IPC-TM-650.2.5.6.2
Dielectric Breakdown	>= 50000 V	IPC-TM-650.2.5.6
Dissipation Factor	0.0080 @Frequency 1e+10 Hz	Split Post Cavity
	0.0090 @Frequency 2.50e+9 Hz	Split Post Cavity
	0.0090 @Frequency 1e+10 Hz	Stripline; IPC-TM-650.2.5.5.5
Arc Resistance	123 sec	IPC-TM-650.2.5.1

Thermal Properties	Original Value	Comments
CTE, linear	5.56 - 7.78 µin/in-°F @Temperature -40.0 - 125 °C	X/Y; IPC-TM-650.2.4.41
	38.92 µin/in-°F @Temperature 50.0 - 210 °C	Z-Axis Alpha 1; IPC-TM-650.2.4.41
	155.68 µin/in-°F @Temperature 210 - 260 °C	Z-Axis Alpha 2; IPC-TM-650.2.4.41
Specific Heat Capacity	0.290 BTU/lb-°F	ASTM E1461
Thermal Conductivity	2.43 BTU-in/hr-ft²-°F	ASTM E1461
Glass Transition Temp, Tg	200 °C	TMA; IPC-TM-650.2.4.24c
	210 °C	DSC; IPC-TM-650.2.4.25c
	240 °C	DMA (Tan d Peak); IPC-TM-650.2.4.24.3
Decomposition Temperature	350 °C	5% weight loss; TGA; IPC-TM-650.2.4.24.6
Flammability, UL94	V-0

Descriptive Properties
Methylene Chloride Resistance (% Weight Change)	0.7	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)	>30	IPC-TM-650.2.4.24.1
T288 (minutes)	>10	IPC-TM-650.2.4.24.1
Z Axis Expansion (%)	3.5	50ºC to 260ºC; IPC-TM-650.2.4.41

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