IS420
4.04 Dk , 0.021 Df
170 Tg , 340 Td
/101 /98 /99
IS420 is a high performance 170°C glass transition temperature (Tg) FR-4 system for multilayer printed wiring board (PWB) applications where maximum thermal performance and reliability are required.
IS420 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 IS420 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
- IPC-4101C /98/99/101
- UL Recognized – FR-4, File Number E45456
- Qualified to UL’s MCIL Program
High Thermal Performance
- Tg of 170°C (DSC)
- Low CTE for reliability
UV Blocking and AOI Fluorescence
- High throughput and accuracy during PCB fabrication and assembly
Superior Processing
- Closest to conventional FR-4 processing of all high speed materials
Standard Availability
- 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