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Hysol GR900 Q1L4 is a black semiconductor-grade epoxy molding compounddesigned for the encapsulation and protection of quad-flat no-leads (QFN) and dual-flat no-leads (DFN). Once molded and post-mold cured, this product provides optimum protection and reliability for these semiconductor devices.
Hysol GR900 Q1L4 is a spherical silica filled (89%) EMC, typically used for QFN and DFN packages. QFN and DFN packages are low-profile packages that are MAP molded. This means that the packages are molded together in one large mold and then separated by cutting through the entire package. Epoxy molding compounds made for these type packages must have a low warpage, and GR900 Q1L4 is no exception. This product is formulated to have a very low internal stress to reduce warpage, as well as low moisture absorption to increase MSL performance.
Hysol GR900 Q1L4 is an environmentally "green" halogen free product, meaning that it doesn't contain any bromine, antimony or phosphorus flame retardants. Previous MG-series EMC dominated the space for power semiconductors but used halogen-containing flame retardants. This next generation epoxy mold compound replaces these older generation products. To add to that, this material is designed to achieve JEDEC Level 1 requirements at 260°C reflow temperature on preplated or NiPdAu leadframes. It meets UL 94 V-0 Flammability at 1/8 inch (3.18mm) thickness.