We are living in a technological era. An era in which technology has taken over every sector because of its:

- Efficiency
- Speeds
- Flexibility
- Portability

Most of these features are present in modern-day technology courtesy of Print Circuit Boards (PCBs). See, PCB helps manufacturers produce compact and efficient gadgets like smartphones. However, to make efficient PCBs, they require efficient materials. Therefore, we will look at the Nelco N4000-2 Multifunctional Epoxy Laminate and Prepreg. These laminates are not just efficient at what they do; they are also durable and user-friendly.

## About the Nelco N4000-2 Multifunctional Epoxy Laminate and Prepreg

The Nelco N4000-2 is one of the most established components among the nelco product line. These multifunctional prepregs and epoxy laminate systems have become pretty popular. They have also been in use for a pretty long time making them prominent in the tech market to-date.

## Key Features of the Nelco N4000-2

The Nelco N4000-2 design is suitable for utilization in:

- Multilayer boards that have a high density
- Surface mount multilayers

What’s more, the Nelco N4000-2 bears some characteristics which make it beneficial in:

- PCMCIA operations
- Fine line multilayer operations
- High volume operation

The consistency and predictability of the Nelco N4000-2 eases processing at the PCB fabrication site. On the other hand, the mechanical and electrical characteristics of the Nelco N4000-2 makess it pretty user-friendly. Hence, the Nelco N4000-2 is a combination of consistent performance, superior quality, and managed cost. These features make it reliable for many high-volume applications.

The Nelco N4000-2 is also:

- Vacuum laminated, just like any other nelco material
- It also comes in many different construction variations, glass styles, and copper weights. You can hence develop a custom laminate for your print circuit board.

The Nelco N4000-2 comes in RTFOIL, double-treat copper, and standard copper laminate.

Every Nelco N4000-2 component meets IPC-4101/21 and UL 94V specifications. They are also RoHS compliant.

## Applications of the Nelco N4000-2

The Nelco N4000-2 has a lot of applications in the tech industry. However, some of the most popular applications are:

- Automotive applications
- Development of Bluetooth modules
- Applications in the wireless communication sector
- PCMCIA cards applications
- In CSP attachment
- Surface-mounting multilayers

## Nelco N4000-2 vacuum lamination parameters

The full cure in press of the Nelco N4000-2 is 45 minutes at 170^{0}C. Its heat up rate comes in at a range of 4 to 7, and the critical range of the same stands at 70 to 130.

The Nelco N4000-2 has a cooldown rate of less than 3 and pressure of 15 to 20 or 200 to 300.

## Physical properties of the Nelco N4000-2

Physical properties are the characteristics that do not associate with chemical composition changes. Some examples of physical properties include:

- Boiling points
- Melting
- Hardness
- Color

The physical properties of the Nelco N4000-2 are hence as follows:

**Density – **their density stands at 1.9g/cc (having 50% resin content)

**Water absorption **– Nelco N4000-2’s have a water absorption rate of 0.10%

**Mechanical Properties**

The mechanical properties of the Nelco N4000-2 are simply the properties that this material exhibits when you apply force upon it.

The Nelco N4000-2 has the following mechanical properties:

**Modulus of elasticity – **the Nelco N4000-2 has the following modulus of elasticity:

- 24.1 GPa (Y)
- 28.3 GPa (X)

**Poissons ratio **– Nelco N4000-2’s have the following poissons ratio:

- 0.14 (Y)
- 0.16 (X)

**Peel Strength – **In terms of peel strength, the Nelco N4000-2 takes on the following values:

- At high temperatures, it has a peel strength of 1.23kN/m
- After passing through the process solutions, the Nelco N4000-2 has a peeling strength of 1.58 kN/m
- After the solder float process, these laminates have a peel strength of 1.58kN/m

## Thermal Properties

The thermal properties of the Nelco N4000-2 are those properties we derive from the component’s heat conductivity. To derive these properties, we have to look at the:

- Amount of mass or matter of the Nelco N4000-2
- Temperature properties of the Nelco N4000-2

Hence, the Nelco N4000-2 has the following thermal properties:

**CTE, linear – **the** **Nelco N4000-2 has the following CTE linear values:

- 12.0 to 16.0 µm/m-°C at a temperature range of -40.0 to 125
^{0}C

**Specific heat capacity – **the specific heat capacity of the Nelco N4000-2 stands at:

- 1.21 to 1.38 J/g-
^{0}C

**Thermal conductivity **– the Nelco N4000-2 has the following thermal conductivity:

- 0.300 to 0.401 W/m-k

**Glass Transitioning temperature or Tg – **A standard Nelco N4000-2 has the following tg.

- 130 °C (TMA) and
- 140 °C (DSC)

**Temperature Decomposition – **the temperature decomposition of the Nelco N4000-2 stands at:

- 300
^{0}C

**Flammability, UL94 – **Lastly, the Nelco N4000-2 has a flammability value of:

- V-0

## Electrical Properties of the Nelco N4000-2

Electrical properties are the properties that relate to electrical current conductivity.

The Nelco N4000-2 has the following electrical properties:

**Volume resistivity **– the Nelco N4000-2 has the following volume resistivity:

- 1.00e + 13 ohms-cm (E- 24/125) and
- 1.00e + 14 ohms-cm (C – 96/35/90)

**Surface resistance **– As per surface resistance, the Nelco N4000-2 takes on the following values:

- 1.00e + 12 ohms (E-24/125)
- 1.00e + 13 ohms (C – 96/35/90)

**Dielectric constant – **The dielectric constant values of the Nelco N4000-2 are as follows:

- 4.1 at a frequency of 1.00e + 9Hz (RF impedance)
- At a frequency of 1.00e + 6 Hz, the dielectric constant of the Nelco N4000-2 goes up to 4.3

**Dielectric strength – **Nelco N4000-2 components have a dielectric strength of:

- 49.2 kV/mm

**Dissipation Factor **– The dissipation factor of the Nelco N4000-2 stand at:

- 0.023 at a frequency of 1.00e + 6Hz

**Arc Resistance **– The arc resistance of a Nelco N4000-2 is:

- 65 seconds

## Descriptive properties

The Nelco N4000-2 has the following descriptive properties:

**Methylene chloride resistance – **The Nelco N4000-2 has a methylene chloride resistance of 0.7.

**Z-axis expansion (in %)** – The z-axis expansion value of a Nelco N4000-2 is:

- 4.5 (50
^{0}C to 260^{0}C)

**T260 (minutes) **– These laminates have a T260 of:

- 8 – 12

## Conclusion

The Nelco N4000-2 Multifunctional Epoxy Laminate and Prepreg is game-changing. It brings in quality, durability, and efficiency all in one. Moreover, the prepreg and laminate system is user-friendly, which means that you get to utilize it with little to no hassle. What’s more, because of the feature that it bears, you can use it in so many application areas. There are no boundaries when working with the Nelco N4000-2. You can do much more than you can even imagine. Hence try it out and note the difference.