Park Electrochemical Nelco® N4000-11 Multifunctional Epoxy Laminate and Prepreg

The Nelco® N4000-11 is a CAF resistant, high Tg (175º C by DSC) multifunctional epoxy dielectric substrate. This material is formulated to provide the PWB manufacturer and OEM with vastly improved thermal, mechanical, and electrical performance in lead-free assembly and high layer count, sophisticated PWB designs.

Key Features and Benefits:

• Tg >175ºC, thermal stability and moisture resistance
• CAF Resistant
• Low Z-axis expansion
• Dicyandiamide (DICY) free, proprietary resin chemistry
• Superior electrical properties
• Optimized FR-4 processing

Applications/Qualifications:

• Lead-Free Assembly Substrate
• Large Format Backplanes
• Tight Tolerance Via to Via Applications
• High I / O Count BGA Substrates
• Extreme Layer count Multilayers
• Lead-Free DCA Applications
• High Temperature Underhood Automotive
• Telecommunications Infrastructure
• Sophisticated Data Storage Applications
• RoHS Compliant
• Meets IPC-4101/28, /83, /98, /99 Specifications

Information provided by Park Electrochemical Corp.

物理性能	额定值 (公制)	额定值 (英制)	测试方法
密度	g/cc	lb/in³	50% Resin Content; Internal Method
吸水率			IPC-TM-650.2.6.2.1

机械性能	额定值 (公制)	额定值 (英制)	测试方法
剥离强度	kN/m	pli	at elevated temperature; IPC-TM-650.2.4.8.2a
	kN/m	pli	after exposure to process solutions; IPC-TM-650.2.4.8
	kN/m	pli	after solder float; IPC-TM-650.2.4.8

电气性能	额定值 (公制)	额定值 (英制)	测试方法
体积电阻率	ohm-cm	ohm-cm	C - 96/35/90; IPC-TM-650.2.5.17.1
	ohm-cm	ohm-cm	E - 24/125; IPC-TM-650.2.5.17.1
表面电阻	ohm	ohm	C - 96/35/90; IPC-TM-650.2.5.17.1
	ohm	ohm	E - 24/125; IPC-TM-650.2.5.17.1
介电常数	@Frequency 2.50e+9 Hz	@Frequency 2.50e+9 Hz	Stripline; IPC-TM-650.2.5.5.5
	@Frequency 1.00e+9 Hz	@Frequency 1.00e+9 Hz	RF Impedance; IPC-TM-650.2.5.5.9
	@Frequency 1.00e+6 Hz	@Frequency 1.00e+6 Hz	TFC/LCR Meter; IPC-TM-650.2.5.5.3
介电强度	kV/mm	kV/in	IPC-TM-650.2.5.6.2
介电击穿	>= V	>= V	IPC-TM-650.2.5.6
耗散因数	@Frequency 1.00e+6 Hz	@Frequency 1.00e+6 Hz	TFC/LCR Meter; IPC-TM-650.2.5.5.3
	@Frequency 2.50e+9 Hz	@Frequency 2.50e+9 Hz	Stripline; IPC-TM-650.2.5.5.5
耐电弧性	sec	sec	IPC-TM-650.2.5.1

热性能	额定值 (公制)	额定值 (英制)	测试方法
线性热膨胀系数	µm/m-°C @Temperature -40.0 - 125 °C	µin/in-°F @Temperature -40.0 - 257 °F	X/Y; IPC-TM-650.2.4.41
	µm/m-°C @Temperature 50.0 - 175 °C	µin/in-°F @Temperature 122 - 347 °F	Z-Axis Alpha 1; IPC-TM-650.2.4.41
	µm/m-°C @Temperature 175 - 260 °C	µin/in-°F @Temperature 347 - 500 °F	Z-Axis Alpha 2; IPC-TM-650.2.4.41
比热容	J/g-°C	BTU/lb-°F	ASTM E1461-92
导热系数	W/m-K	BTU-in/hr-ft²-°F	ASTM E1461-92
玻璃化转变温度，Tg	°C	°F	TMA; IPC-TM-650.2.4.24c
	>= °C	>= °F	DSC; IPC-TM-650.2.4.25c
分解温度	°C	°F	5% weight loss; TGA; IPC-TM-650.2.4.24.6
可燃性(UL94)

材料描述		测试方法
Methylene Chloride Resistance (% Weight Change)	0.8	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
Z Axis Expansion (%)	3.2	50ºC to 260ºC; IPC-TM-650.2.4.41