factory Outlets for Printed Circuit Boards - 4Layer High Tg Board – Yongmingsheng

HASL (Eutectic; 63 percent Tin to 37 percent Pb)

　　▪　Usual coating thickness is 0.8 µm (0.000003 in) to 5 µm (0.0002 in); dependent upon the design

　　▪　Very good ability for soldering

　　▪　0.635 mm (0.025 in) surface mount pitch or greater ability

　　▪　0.75mm (0.030 in) is the minimum board thickness ability

　　▪　Adequate shelf life