370HR
4.04 Dk , 0.021 Df
180 Tg , 340 Td
/101 /126 /21 /24 /26 /98 /99
370HR is a high performance 180°C glass transition temperature (Tg) FR-4 system for multilayer printed wiring board (PWB) applications where maximum thermal performance and reliability are required. 370HR laminate and prepreg products are manufactured with a unique high performance multifunctional epoxy resin, reinforced with electrical grade (E-glass) glass fabric.
This system provides improved thermal performance and low expansion rates in comparison to traditional FR-4 while retaining FR-4 processability. In addition to this superior thermal performance the mechanical, chemical and moisture resistance properties all equal or exceed the performance of traditional FR-4 materials. The 370HR system is also laser fluorescing and UV blocking for maximum compatibility with automated optical inspection systems (AOI), optical positioning systems and photoimagable solder-mask imaging.
Key Features
Industry Approvals
- UL Recognized – FR-4, File Number E41625
- Qualified to UL’s MCIL Program
High Thermal Performance
- Low CTE for reliability
UV Blocking and AOI Fluorescence
- High throughput and accuracy during PCB fabrication and assembly
- Thickness: 0.002″ [.05 mm] to 0.093″ [2.4 mm]
- Available in sheet or panel form
- Copper Foil Cladding: Grade 3 (HTE), ½, 1 and 2 oz.
- Foil Options: Reverse treat
- Prepregs: Available in roll or panel form
- Glass Styles: standard fabrics