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Nelco N4000-2

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Nelco N4000-2 PCB Board

In the dynamic world of electronic engineering, choosing the right PCB materials is crucial for success. Enter Nelco’s N4000-2 PCB materials, a game-changing solution that empowers electronic engineers to elevate their designs to new heights. With exceptional electrical properties, thermal stability, and mechanical strength, the N4000-2 sets a new benchmark in advanced circuitry. This article explores the remarkable features of the N4000-2 from the perspective of electronic engineers, showcasing its potential to revolutionize electronic designs and propel the industry forward.

Nelco N4000-2:Multifunctional Epoxy Laminate & Prepreg

The Nelco N4000-2 is a highly versatile epoxy laminate and prepreg system offered by Nelco. Known for its multifunctional properties, this product has gained recognition for its exceptional performance across a wide range of applications. With its unique formulation, the N4000-2 exhibits a remarkable balance of mechanical strength, thermal stability, and electrical properties, making it suitable for various demanding environments. Additionally, this material offers an extensive operating and processing window, allowing for flexibility and ease of use during fabrication processes. With a proven track record and a reputation for reliability, the Nelco N4000-2 continues to be a preferred choice among professionals in industries such as aerospace, telecommunications, and electronics.

Nelco N4000-2 PCB Laminate: Key Features

The Nelco N4000-2 PCB laminate offers a range of key features that make it a preferred choice for various applications:

1. High-Density Multilayer Compatibility: Designed specifically for high-density multilayer boards, the N4000-2 laminate is well-suited for applications requiring complex circuitry and increased component density.

2. Versatile Application Range: The N4000-2 is suitable for a wide range of applications, including surface-mount multilayers, MCM-Ls, direct chip attach, automotive, wireless communications, high-volume fine-line multilayers, and PCMCIA.

3. Predictability and Consistency: The N4000-2 laminate exhibits excellent predictability and consistency in its performance, ensuring reliable and repeatable results during processing and fabrication. This characteristic simplifies the manufacturing process and enhances the overall quality of the circuit boards.

4. User-Friendly Design: With its excellent electrical and mechanical properties, the N4000-2 laminate is user-friendly for both circuit designers and fabricators. It offers ease of use in designing critical circuits and facilitates efficient fabrication.

5. Cost-Effective Solution: The N4000-2 laminate provides a reliable combination of managed cost, superior quality, and consistent performance. This makes it a cost-effective solution for high-volume applications without compromising on the required standards and performance.

6. Wide Range of Options: The N4000-2 laminate is available in various constructions, copper weights, and glass styles, allowing for flexibility in meeting specific design requirements. Options include standard copper, double-treat copper, and the RTFOIL® Laminate variant.

7. Compliance and Standards: The N4000-2 laminate meets UL 94V-0 and IPC-4101/21 specifications, ensuring its compliance with industry standards. It is also RoHS compliant, aligning with regulations for the restriction of hazardous substances.

Overall, the Nelco N4000-2 PCB laminate offers a comprehensive set of features that contribute to its reliability, performance, ease of use, and cost-effectiveness in a wide range of high-density applications.

Applications of Nelco N4000-2 PCB Laminate

The Nelco N4000-2 PCB laminate finds extensive applications in various industries and technologies. Some key applications of the N4000-2 include:

1.Fine-Line Multilayers:

The N4000-2 laminate is well-suited for high-volume fine-line multilayer applications, where compact circuitry and increased component density are required.

2.Surface-Mount Multilayers:

With its excellent electrical and mechanical properties, the N4000-2 is ideal for surface-mount multilayer applications. It enables reliable connections and efficient integration of components.

3.CSP Attachment:

The N4000-2 laminate provides a reliable substrate for Chip Scale Package (CSP) attachment. It ensures secure attachment and proper electrical connectivity for advanced packaging technologies.

4.MCM-Ls (Multi-Chip Modules with Laminates):

The N4000-2 is suitable for MCM-L applications, where multiple integrated circuits or chips are mounted on a single substrate. It offers the necessary electrical performance and thermal management required for such modules.

5.PCMCIA Cards:

The N4000-2 laminate is well-suited for PCMCIA (Personal Computer Memory Card International Association) card applications. It provides a stable and reliable platform for memory cards and other peripherals used in laptops and portable devices.

6.Wireless Communications:

The N4000-2 laminate is utilized in wireless communication devices, where it provides excellent signal integrity, low loss, and high-frequency performance. It is suitable for applications such as antennas, RF modules, and transceivers.

7.Bluetooth Modules:

The N4000-2 laminate is commonly used in the manufacturing of Bluetooth modules. It offers the necessary electrical and mechanical properties for reliable wireless communication in various consumer electronics and IoT devices.


The N4000-2 laminate is well-suited for automotive electronics applications. It provides the required performance, reliability, and durability in harsh automotive environments, making it suitable for applications such as engine control units, sensors, and infotainment systems.

These applications highlight the versatility and reliability of the Nelco N4000-2 PCB laminate across a wide range of industries and technologies, where its exceptional properties contribute to the overall performance and functionality of electronic systems.

Properties of Nelco N4000-2 PCB Laminate

The Nelco N4000-2 PCB laminate exhibits a range of properties that contribute to its performance and suitability for various applications. Here are the key properties of the Nelco N4000-2:

1. Electrical Properties:

Dielectric Constant: The Nelco N4000-2 has a dielectric constant of approximately 4.2 to 4.3, depending on the frequency.

Dissipation Factor: It has a low dissipation factor of around 0.009 to 0.023, indicating minimal energy loss in electrical applications.

Volume Resistivity: The volume resistivity of the N4000-2 laminate is typically in the range of 1e+13 to 1e+14 ohms-cm, indicating good electrical insulation properties.

Surface Resistance: The surface resistance is typically around 1e+12 to 1e+13 ohms, ensuring proper surface conductivity.

2. Thermal Properties:

Glass Transition Temperature (Tg): The Nelco N4000-2 has a Tg of around 130°C to 140°C, indicating its ability to withstand elevated temperatures without significant dimensional changes.

Coefficient of Thermal Expansion (CTE): The CTE of the N4000-2 laminate is approximately 12 to 16 ppm/°C, ensuring thermal stability and compatibility with other materials in electronic assemblies.

Thermal Conductivity: The thermal conductivity is typically in the range of 0.3 to 0.4 W/m-K, facilitating efficient heat dissipation in electronic devices.

3. Mechanical Properties:

Modulus of Elasticity: The N4000-2 laminate has a modulus of elasticity (Young’s modulus) of around 24.1 GPa in the Y-direction and 28.3 GPa in the X-direction, indicating its stiffness and rigidity.

Peel Strength: The peel strength of the N4000-2 laminate is typically in the range of 1.23 to 1.58 kN/m, ensuring strong adhesion between copper layers and facilitating reliable circuit fabrication.

4. Other Properties:

Density: The N4000-2 laminate has a density of approximately 1.9 g/cc, which affects its weight and overall material characteristics.

Water Absorption: The water absorption rate of the N4000-2 laminate is typically around 0.10%, indicating its resistance to moisture-related issues.

These properties collectively contribute to the electrical, thermal, and mechanical performance of the Nelco N4000-2 PCB laminate, making it suitable for a wide range of applications in the electronics industry.

Key Factors for using Nelco N4000-2 in PCB Manufacturing

When considering the use of Nelco N4000-2 PCB laminate in manufacturing, several key factors should be taken into account. These factors contribute to the successful implementation of the material and ensure optimal performance of the printed circuit boards (PCBs). Here are the key factors to consider:

1. Electrical Performance: The Nelco N4000-2 laminate offers excellent electrical properties, including low dielectric constant, low dissipation factor, and good insulation characteristics. It is important to evaluate the specific electrical requirements of the PCB design and ensure that the N4000-2 meets those requirements, such as signal integrity, impedance control, and high-frequency performance.

2. Thermal Management: The N4000-2 laminate has good thermal conductivity and a relatively low coefficient of thermal expansion (CTE). These properties contribute to effective heat dissipation and thermal stability. Consider the thermal requirements of the PCB, such as power dissipation, operating temperatures, and thermal cycling, and ensure that the N4000-2 can adequately handle those conditions.

3. Mechanical Strength and Reliability: The N4000-2 laminate has sufficient mechanical strength and rigidity to withstand the stresses and strains encountered during PCB fabrication, assembly, and operation. Evaluate the mechanical requirements of the PCB, such as bending, flexing, and component attachment, and ensure that the N4000-2 can provide the necessary structural integrity and reliability.

4. Chemical Compatibility: Consider the compatibility of the N4000-2 laminate with the chemicals and processes used in PCB manufacturing, such as etching, plating, soldering, and cleaning. Ensure that the material can withstand exposure to these chemicals without degradation or adverse effects on its properties.

5. Manufacturing Process Compatibility: Evaluate the compatibility of the N4000-2 laminate with the chosen manufacturing processes, such as drilling, routing, lamination, and surface finishes. Ensure that the material can be easily processed and that it meets the dimensional and tolerance requirements of the PCB design.

6. Environmental Considerations: Assess the suitability of the N4000-2 laminate for the intended operating environment of the PCB. Consider factors such as moisture resistance, resistance to chemicals or solvents, and the ability to withstand temperature variations and humidity.

7. Regulatory Compliance: Ensure that the N4000-2 laminate meets the necessary regulatory standards and certifications for the intended application, such as UL (Underwriters Laboratories) recognition, RoHS (Restriction of Hazardous Substances) compliance, and IPC (Association Connecting Electronics Industries) standards.

By considering these key factors, you can determine the suitability of the Nelco N4000-2 laminate for your specific PCB manufacturing needs, ensuring optimal performance and reliability of the final electronic product.


For electronic engineers seeking to push the boundaries of innovation, the Nelco N4000-2 PCB materials offer an unparalleled advantage. With outstanding electrical properties, engineers can achieve superior signal integrity, enabling faster and more reliable electronic systems. The N4000-2’s thermal stability ensures optimal performance in challenging environments, while its mechanical strength guarantees robust and durable circuitry. By embracing the N4000-2, electronic engineers unlock a world of possibilities in creating cutting-edge devices that are more efficient, compact, and reliable. Harness the power of Nelco’s N4000-2 PCB materials and embark on a transformative journey in electronic engineering.

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