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Introducing the ISOLA 370HR PCB, a state-of-the-art solution designed for high-performance multilayer applications. Engineered with a patented 180°C Tg FR-4 multifunctional epoxy resin system by Polyclad, the 370HR laminates and prepregs excel in thermal performance and reliability, making them the ideal choice for demanding environments.
Introduction to ISOLA 370HR
The ISOLA 370HR is designed specifically for multilayer PCB applications where thermal performance and reliability are paramount. Utilizing a patented high-performance 180°C Tg FR-4 multifunctional epoxy resin system by Polyclad, this PCB is suitable for complex and demanding electronic environments. Its construction features high-quality E-glass glass fabric, which significantly enhances Conductive Anodic Filament (CAF) resistance, a critical factor in ensuring long-term operational integrity.
Key Properties and Attributes
1. Thermal Performance
One of the standout features of the ISOLA 370HR is its Glass Transition Temperature (Tg) of 180°C. This high Tg value ensures that the PCB can operate efficiently under elevated temperatures without compromising its structural integrity. Coupled with a thermal conductivity of 0.4 W/MK, users can expect optimal heat dissipation, reducing the risk of overheating in high-density applications.
2. Mechanical and Chemical Resilience
The ISOLA 370HR exhibits exceptional mechanical properties, including a low Coefficient of Thermal Expansion (CTE), which measures how much a material expands with temperature changes. With a pre-Tg CTE of 45 ppm/°C in the Z-axis and 13/14 ppm/°C in the X/Y-axis, it minimizes the potential for warping and delamination during thermal cycling. Additionally, the PCB showcases impressive moisture absorption of just 0.15%, enhancing its reliability in humid environments.
3. Electrical Performance
The dielectric properties of the ISOLA 370HR are tailored for high-frequency applications. It boasts a dielectric constant (DK) of 3.92 at 5 GHz and a loss tangent (Df) of 0.025 at the same frequency, ensuring minimal signal loss and optimal performance in communication devices and other high-speed applications.
4. Flammability and Safety Standards
Safety is a critical concern in PCB manufacturing. The ISOLA 370HR meets the stringent UL94-V0 flammability rating, indicating its resistance to ignition and the ability to self-extinguish in the event of a fire. This attribute is especially vital for applications in the automotive, medical, and aerospace sectors.
PCB Stackup and Construction
This ISOLA 370HR PCB features a 6-layer stackup with a total thickness of 1.6mm, ensuring optimal signal integrity and power distribution. It includes four signal layers (Top, SIG1, SIG2, Bottom) and two plane layers (GND and PWR). The finished copper weight is 1 oz (1.4 mils) for both inner and outer layers, and the surface finish is ENIG, providing excellent solderability and corrosion resistance.
Dimensional Accuracy
The board dimensions are 40mm x 55mm, with a tolerance of +/- 0.15mm. It supports a minimum trace/space of 4/4 mils and a minimum hole size of 0.2mm. These precise measurements ensure reliable performance in complex electronic applications.
Typical Applications
The ISOLA 370HR is not just a technical achievement; it is a versatile solution that finds applications in various sectors, including:
- Computing, Storage & Peripherals: Ideal for high-performance computer components that require reliable thermal management.
- Consumer Electronics: Perfect for devices that demand compact designs with high thermal reliability.
- Networking & Communications: Supports high-speed data transmission with minimal signal loss.
- Medical, Industrial, and Instrumentation: Ensures safety and reliability in critical applications.
- Automotive and Transportation: Meets rigorous safety standards while delivering consistent performance.
- Aerospace and Defense: Built to withstand extreme conditions while maintaining operational integrity.
Conclusion
The ISOLA 370HR PCB is a powerful solution for engineers and designers seeking a high-performance, reliable, and efficient PCB for their applications. With its superior thermal performance, mechanical resilience, and compliance with global safety standards, it sets a new benchmark in the industry. For those looking to elevate their electronic designs, the ISOLA 370HR is the ideal choice, ensuring that your products can perform under the most demanding conditions.