S01X7C48-M500 Pb-free solder paste is a SnAg0.1Cu0.7Co+X0.03 alloy. Reportedly offers superior solder joint reliability and head-in-pillow performance over SAC 305. Is halogen-free. Has higher shear strength and greater shock absorbing ability than SnAg3Cu0.5.

Koki, www.ko-ki.co.jp