250HR High Performance Laminate and Prepreg Materials with High Thermal Reliability
250HR is a high-performance laminate and prepreg material developed by Isola, specifically designed for applications requiring high thermal reliability, mechanical stability, and robust electrical performance. Here’s a detailed overview of the 250HR material:
Key Features
- High Thermal Reliability:
- Tg (Glass Transition Temperature): Approximately 250°C (high Tg), ensuring stability in high-temperature environments.
- Excellent resistance to thermal degradation, making it suitable for lead-free soldering processes.
- Low Z-Axis Expansion:
- Provides superior through-hole reliability, critical for complex multilayer PCBs.
- Excellent Mechanical Properties:
- Robust against flexing and mechanical stresses, maintaining structural integrity.
- Good Electrical Properties:
- Stable dielectric constant (Dk) and low loss tangent (Df), ensuring reliable signal integrity for high-speed and high-frequency designs.
- RoHS Compliance:
- Meets environmental safety standards for use in green electronics.
- Versatile Process Compatibility:
- Compatible with conventional PCB fabrication processes, including sequential lamination.
Applications
- Aerospace and Defense:
- Designed for applications where thermal and mechanical reliability is critical.
- Suitable for avionics, radar systems, and mission-critical electronics.
- Automotive Electronics:
- Used in engine control modules, ADAS, and other high-temperature automotive environments.
- High-Speed Digital Applications:
- Perfect for server boards, networking hardware, and data centers requiring stable performance.
- Industrial Electronics:
- Suitable for applications in power systems, robotics, and industrial automation requiring high reliability under thermal cycling.
Why Choose 250HR?
- Combines high thermal reliability with excellent dimensional stability, making it a reliable choice for multilayer PCBs.
- Its low Z-axis expansion enhances plated through-hole reliability, ensuring durability in complex assemblies.
- Provides an effective balance of thermal, mechanical, and electrical performance, supporting a wide range of demanding applications.
