Isola 370HR PCB 12-layer 1.6mm Thick ENIG High Tg FR-4 Multilayer Board

Isola 370HR PCB 12-layer 1.6mm Thick ENIG High-Tg FR-4 Multilayer Board

Introduction

The 370HR 12-Layer PCB is a high-reliability, high-performance multilayer printed circuit board designed for demanding applications in computing, networking, automotive, aerospace, and industrial electronics. Manufactured using Isola 370HR laminate, this Isola370HR PCB offers superior thermal stability, low expansion rates, and excellent electrical performance, making it ideal for sequential lamination designs and high-speed signal integrity requirements.

With a 1.6mm thickness, ENIG surface finish, and impedance-controlled routing, this High-Tg FR-4 PCB ensures optimal performance in harsh environments. The board features blind vias (L1-L4, L1-L10), tight trace/spacing (4/6 mils), and UL certification, meeting IPC-Class-2 quality standards.

Below is a detailed breakdown of the PCB’s construction, stackup, statistics, and key features.

PCB Construction Details

The following table summarizes the key construction parameters of the 370HR 12-layer PCB:

PCB Stackup–12-Layer Rigid PCB

The stackup structure is optimized for signal integrity, power distribution, and thermal management. Below is the detailed layer-by-layer breakdown.

PCB Statistics

The 370HR multilayer PCB statistics provide insights into component density, pad distribution, and via count, ensuring manufacturability and assembly compatibility.

Additional Specifications

Artwork Format: Gerber RS-274-X

Quality Standard: IPC-Class-2

Availability: Worldwide

Introduction of 370HR

Isola's 370HR is a top-tier FR-4 system engineered for multilayer PCB applications necessitating exceptional thermal performance and reliability. This system combines a high-performance epoxy resin with E-glass fabric, delivering improved thermal performance and low expansion rates while maintaining FR-4 processability.

370HR Key Features

✅High Thermal Performance–Tg: 180°C, Td: 340°C

✅Low CTE (13/14 ppm/°C)–Reduces risk of warping and delamination

✅CAF Resistant–Prevents conductive anodic filamentation

✅UV Blocking & AOI Fluorescence–Enhances inspection accuracy

✅RoHS Compliant–Environmentally friendly

✅Superior Processing–Compatible with standard FR-4 fabrication

Typical Applications

This Isola 370HR FR4 PCB is ideal for:

• Computing & Data Storage
• Networking & Telecom Equipment
• Automotive Electronics
• Aerospace & Defense Systems
• Medical & Industrial Devices

Conclusion

The 370HR 12-Layer 1.6mm PCB is a high-reliability, high-performance solution for advanced electronic applications. With controlled impedance, blind vias, and superior thermal properties, it ensures long-term durability and signal integrity. Designed to meet IPC-Class-2 and UL standards, this PCB is ideal for mission-critical systems where performance and reliability are paramount.

For custom requirements or bulk orders, contact our sales team for further assistance. Global shipping available.