ITEQ IT-859GTA is a high-performance, halogen-free, metal-based laminate and prepreg material designed for applications requiring excellent thermal conductivity and reliability. It is ideal for LED lighting, automotive lighting, and other high-power electronics where heat management is critical.
Key Features
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High Thermal Conductivity: Approximately 3 W/m·K, ensuring efficient heat dissipation in high-power applications.
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Glass Transition Temperature (Tg): Around 100°C (DSC), providing sufficient thermal stability for moderate-temperature use.
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Halogen-Free: Environmentally friendly, compliant with RoHS regulations.
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Thermal Reliability: Capable of withstanding lead-free assembly processes up to 260°C.
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Construction Flexibility: Available in single- or double-sided laminates with copper weights from 0.5 to 6 oz.
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Advanced Multifunctional Filled Epoxy Resin Technology: Enhances thermal and mechanical performance.
Applications
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LED Lighting: Notebook light bars, LCD TV light bars, street lamps, and traffic lighting.
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Automotive Lighting: Suitable for vehicle lighting systems requiring high thermal management.
Technical Specifications
| Property | Unit | IT-859GTA | Test Method |
|---|---|---|---|
| Tg | °C | 100 | DSC |
| T-288 (w/1 oz Cu, min) | °C | 60+ | TMA |
| Thermal Decomposition (Td 5% W/L) | °C | 380 | TGA |
| Coefficient of Thermal Expansion (α1/α2) | ppm/°C | 40 / 250 | TMA |
| Z-Axis Expansion (50–260°C) | % | 3.5 | TMA |
| Thermal Conductivity | W/m·K | 3* | ASTM-D5470 |
| Halogen-Free & RoHS Compliant | – | ✔ | – |
*Thermal conductivity based on Laird 1KA04 reference.
Why Use IT-859GTA?
The IT-859GTA laminate combines halogen-free safety, high thermal conductivity, and lead-free assembly reliability, making it an optimal choice for high-power and high-reliability electronic applications. Its versatility in construction and copper weight options provides designers with the flexibility to meet diverse PCB layout and thermal management requirements.
