0.25mm,0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0.65mm, 0.76mm Lead BGA Soldering Ball Type0.25mm,0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0.65mm, 0.76mm Lead BGA Soldering BallCondition: Sealed, 250k/bottle Type:Leaded and leaded-freePrecise diameter and sphericity No contamination and low oxidation Even brightness and dent-free surface Alloy: Ordinary solder type:Sn63Pb37Sn62Pb36Ag2 Diameter (um): 350, 310 (12 mils), 300 Diameter tolerance: +/- 10um Spheroid tolerance: within 1.5% CPK: >/= 1.33Special size: diameter lower than 300um also available 

0.25mm,0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0.65mm, 0.76mm Lead BGA Soldering Ball