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