EPOXY resin FR4 1.50 mm double-sided 35 μm CU (pth). Two universal QFP layouts for various housing sizes and pin numbers: LQFP, PQFP, TQFP. Layer 1 144 - 240 pins, 0.50 mm pitch, sq. Layer 2 144 - 240 pins, 0.65 mm pitch, sq. Component sides with solder r